Chemistry · Paper 1 · 2016
475 questions 🇹🇿 NECTA ✓ Official NECTA answersChemistry · Paper 1 · 2016
475 questions
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By the end of this sub-topic the student be able to: • Explain the meaning of qualitative analysis. (2) • Discuss the meaning and significance of qualitative analysis. (2)
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Students carry out qualitative analysis from: • A mixture or a salt containing anions and cations. (2) • A single salt containing anions and cations. (2)
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By the end of this sub-topic, the student is able to: 1.21 Volumetric Analysis • Carry out volumetric analysis. (g) Carry out volumetric analysis. • Carry out volumetric analysis. • Estimation of copper in a copper (II) salt using an indirect volumetric method. • Estimation of copper in a copper (II) salt using an indirect volumetric method.
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The teacher should guide students to describe the structures of polymers. Describe the structure of polymers; ?The student is able to polymers Identify monomers from the different polymers. Identify monomers from the different polymers. ?The student is able to polymers from polymers. By the end of this sub-topic, the teacher guides students to Types of Polymers 2.9 describe the different types of polymers. Students should be able to describe the different types of polymers. Polymers Synthesis (i) Synthetic polymers (ii) Natural/synthetic polymers (iii) Vulcanisation Vulcanisation
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The teacher guides the students to discuss the concept of solubility and ionic product. By the end of this topic, the student is able to: (a) Explain the concept of solubility product. (b) Discuss the factors affecting solubility product. (i) Effect of temperature on solubility product. (ii) Effect of common ion on solubility product. (c) Calculate solubility product. (d) Compare solubility and solubility product.
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By the end of this topic, the student is able to: (a) Explain the concept of ionic product. (b) Discuss the concept of ionic product and its effect. (i) Ionic product of sparingly soluble salts. (ii) Effect of temperature on ionic product. (iii) Effect of common ion on ionic product. (c) Calculate ionic product. (d) Compare solubility and ionic product.
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The teacher guides the students to discuss the concept of ionic product. By the end of this topic, the student is able to: (a) Explain the concept of ionic product. (b) Discuss the factors affecting ionic product and their effect. (i) Ionic product of sparingly soluble salts. (ii) Effect of temperature on ionic product. (iii) Effect of common ion on ionic product. (c) Calculate ionic product. (d) Compare solubility and ionic product.
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The teacher guides the students to discuss the concept of solubility. By the end of this topic, the student is able to: (a) Explain the concept of solubility. (b) Discuss the factors affecting solubility and their effect. (i) Solubility of sparingly soluble salts. (ii) Effect of temperature on solubility. (iii) Effect of common ion on solubility. (c) Calculate solubility. (d) Compare solubility and solubility product.
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By the end of this topic, the student is able to: (a) Explain the concept of solubility. (b) Discuss the factors affecting solubility and their effect. (i) Solubility of sparingly soluble salts. (ii) Effect of temperature on solubility. (iii) Effect of common ion on solubility. (c) Calculate solubility. (d) Compare solubility and ionic product.
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The teacher guides the students to discuss the concept of solubility and ionic product. By the end of this topic, the student is able to: (a) Explain the concept of solubility product. (b) Discuss the factors affecting solubility product. (i) Effect of temperature on solubility product. (ii) Effect of common ion on solubility product. (c) Calculate solubility product. (d) Compare solubility and ionic product.
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By the end of this topic, the student is able to: (a) Explain the concept of ionic product. (b) Discuss the factors affecting ionic product. (i) Ionic product of sparingly soluble salts. (ii) Effect of temperature on ionic product. (iii) Effect of common ion on ionic product. (c) Calculate ionic product. (d) Compare solubility product and ionic product.
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By the end of this topic, the student is able to: (a) Explain the concept of solubility product. (b) Discuss the factors affecting solubility product. (i) Effect of temperature on solubility product. (ii) Effect of common ion on solubility product. (c) Calculate solubility product. (d) Compare solubility and solubility product.
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The teacher guides the students to discuss the concept of ionic product. By the end of this topic, the student is able to: (a) Explain the concept of ionic product. (b) Discuss the factors affecting ionic product. (i) Ionic product of sparingly soluble salts. (ii) Effect of temperature on ionic product. (iii) Effect of common ion on ionic product. (c) Calculate ionic product. (d) Summarise the product.
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By the end of this topic, the student is able to: (a) Explain the concept of solubility product. (b) Discuss the factors affecting solubility product. (i) Effect of temperature on solubility product. (ii) Effect of common ion on solubility product. (c) Calculate solubility product.
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The teacher guides the students to discuss the concept of solubility and ionic product. By the end of this topic, the student is able to: (a) Explain the concept of solubility product. (b) Discuss the factors affecting solubility product. (i) Effect of temperature on solubility product. (ii) Effect of common ion on solubility product. (c) Calculate solubility product. (d) Compare solubility and solubility product.
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By the end of this topic, the student is able to: (a) Explain the concept of solubility product. (b) Discuss the concept of solubility product and its effect. (i) Solubility product of sparingly soluble salts. (ii) Effect of temperature on solubility product. (iii) Effect of common ion on solubility product. (c) Calculate solubility product. (d) Compare solubility and solubility product.
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By the end of this topic, the student is able to: (a) Explain the concept of solubility product. (b) Discuss the concept of solubility product and its effect. (i) Solubility product of sparingly soluble salts. (ii) Effect of temperature on solubility product. (iii) Effect of common ion on solubility product. (c) Calculate solubility product. (d) Compare solubility and solubility product.
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The teacher guides the students to discuss the concept of solubility product and ionic product. By the end of this topic, the student is able to: (a) Explain the concept of solubility product. (b) Discuss the factors affecting solubility product and their effect. (i) Solubility product of sparingly soluble salts. (ii) Effect of temperature on solubility product. (iii) Effect of common ion on solubility product. (c) Calculate solubility product. (d) Compare solubility and solubility product.
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By the end of this topic, the student is able to: (a) Explain the concept of solubility product. (b) Discuss the factors affecting solubility product and their effect. (i) Solubility product of sparingly soluble salts. (ii) Effect of temperature on solubility product. (iii) Effect of common ion on solubility product. (c) Calculate solubility product. (d) Compare solubility and solubility product.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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It is the responsibility of the student to be able to: (a) Explain the principles of electrolysis. (b) Explain the principles of electrolysis. (c) Explain the principles of electrolysis. (d) Explain the principles of electrolysis. (e) Explain the principles of electrolysis. (f) Explain the principles of electrolysis. (g) Explain the principles of electrolysis. (h) Explain the principles of electrolysis. (i) Explain the principles of electrolysis.
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Section B
State whether a student is able to: a) Establish the distribution of HN between water and alcohol. b) Verify the distribution coefficient of CHCl3 between water and alcohol. c) Explain the partition law. d) Determine the heats of the following: i. Reaction of Cu(OH)2 ii. Reaction of MgO iii. Neutralization reaction iv. Heat of solution of NH4NO3
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Qualitative analysis shall test the identity of the following: C2SO4 – 2H2O: Sulphide C2CO3 – 2H2O: Carbonate C3OH – 2H2O: Hydrocarbon NO3 – 2H2O: Nitrite Cl – 2H2O: Chloride CrO4 – 2H2O: Chromate Cr2O7 – 2H2O: Dichromate C2O7 – 2H2O: Oxalate CH3COO – 2H2O: Acetate Qualitative analysis shall also test the identity of the following through group separation analysis: Table for Nature of Precipitates I. Ions in solution: Ag+, Pb2+, Bi3+, Cu2+ II. Ions in solution: Sb3+, Bi3+, Cd2+, Cu2+ III. Ions in solution: As3+, Al3+, Cr3+, Fe3+ IV. Ions in solution: Zn2+, Ni2+, Co2+, N3+ V. Ions in solution: Ba2+, Ca2+, Sr2+ VI. Ions in solution: Mg2+, Na+, K+, Np+
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Explain the manufacture of soap.
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Explain the uses of esters in organic solvents.
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Section C
The following is a discussion on the Wall chart showing the student is able to: (i) give varied examples (b) differentiate a complex ion from a complex complexes of ionic complexes from ionic complexes and complexes complexes .complexes ?complexes differentiate ionic from
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The following is a discussion on the Wall chart showing the student is able to: (ii) differentiate ionic complexes from complexes. complexes ionic from complexes
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