CHEMISTRY FORM ONE RANDOM ASSESSMENT TEST
INSTRUCTIONS:
Answer ALL the questions.
QUESTIONS:
- Define the following terms 🙁 4mks)
- a) Chemistry
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- b) Mixture
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- c) Drug
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- d) Conductors and non-conductors
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- Give the functions of the following parts of the Bunsen burner 🙁 3mks)
- a) Collar
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- b) Jet
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- c) Air hole
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- Apart from Bunsen burner name other three apparatus used as sources of heat (3mks)
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- State three safety laboratory rules (3mks)
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- Give three differences between luminous and non-luminous flame (3mks)
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- Define the following terms 🙁 3mks)
- a) Prescription
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- b) Drug abuse
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- c) Laboratory
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- Give three importance of studying Chemistry in the society. (3mks)
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- Give the functions of the following apparatus as used in the laboratory 🙁 3mks)
- a) Desiccator
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- b) Crucible
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- c) Deflagrating spoon
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- Give the method of separating iron fillings from maize grains. (1mk)
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- Define a solution. (1mk)
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- a
) Define crystallization. (1mk)
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- b) Give three applications of crystallization. (3mks)
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- Give two reasons why mixtures should be separated. (2mks)
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- Explain why evaporation is not done direct but over water bath. (2mks)
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- a) Define sublimation. (1mk)
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- b) Name three substances that undergo sublimation. (3mks)
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- Give applications of distillation. (3mks)
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