1

      When a chemist studies a substance, he/she is interested in its:

  1.  Force of attraction   
  2.  Shape
  3.  Smell     
  4.  Properties
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2

Chemistry is defined as:

  1. The scientific study of matter, compounds and chemical reactions
  2. The scientific study of compounds, mixtures and organic substances
  3. The scientific study of composition, structure and properties of matter
  4. The study of relation between human being, medicine and pollution.
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3

Chemistry is a branch of Science which deals with:

  1. matter in relation to energy.
  2. matter in relation to decomposition.
  3. matter composition and its decomposition.
  4. properties of conservation of matter.
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4

 Chemistry is a branch of Science which deals with:

  1. matter in relation to energy.
  2. matter in relation to decomposition.
  3. matter composition and its decomposition.
  4. properties of conservation of matter.
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5

    When a chemist studies a substance he/she is interested in its:

  1.          Force of attraction
  2.          Properties
  3.          Shape
  4.          Smell
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6

  Which of the following is an agricultural chemical products made by the application of chemistry?

  1. Drugs 
  2. Pesticides 
  3. Clothes 
  4. Yeasts 
  5. Cement.
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7

      Which statement gives a clear meaning of Chemistry?

  1. The study of matter in relation of energy
  2. The study of nature and properties of matter
  3.  The study of matter and arrangement of particles 
  4. The study of matter and chemical reaction
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8

(b)Name two products in each of the following fields made by the application of chemistry.

(a)Medicine

(b)Food and be average industry

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9

(b)Name two products in each of the following fields made by the application of chemistry.

(a)Medicine

(b)Food and be average industry

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10

(b) Name two products in each of the following fields made by the application of chemistry.

Field

       Products

(i) Home care and cosmetics

(ii) Transport

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11

 Match the descriptions in List A with the corresponding scientific procedures in List B by writing the letter of the correct response besides the item number in the answer booklet provided.

LIST 1 LIST B
  1. A statement of how the results relate to hypothesis.
  2. A series of investigations.
  3. A statement that identifies an event, fact or situation.
  4. A tentative explanation.
  5. A step in which the researcher explains the results.
  1. Conclusion
  2. Data analysis
  3. Data collection
  4. Experimentation
  5. Hypothesis
  6. Observation
  7. Problem identification
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