CHEMISTRY EXAM FORM ONE

THE UNITED REPUBLIC OF TANZANIA

CERTIFACATE OF SECONDARY EDUCATION EXAMINATION

CHEMISTRY

NAME ____________________________________________________________________  

TIME: 2HRS.

INSTRUCTIONS

i)This paper consists of sections A and B

ii) Answer all questions in both sections

SECTION A

Multiple choices question.

1. Choose the letter of the most correct answer and write its letter in the space provided

1. A substance which can Catch fire easily is called…………..

1. Flammable
2. Corrosive
3. Toxic

2. Direct change from solid to gaseous state is known as ………….

1. Sublimation
2. Reverse sublimation
3. Evaporation

3. Luminous flame is ………… in colour.

1. Red B. Yellow C. Blue

4. Loose or floppy shoes are not allowed in the laboratory because……………

1. Movement will be fast
2. One will looked smart
3. It may cause one to fait down.

5. Chemistry is the study of

1. Chemicals used in the laboratory
2. Composition structure and properties of matter
3. Experiment.

6. In scientific study, the tentative explanation for the observed chemical phenomenon can be proved by

1. Data analysis
2. Hypothesis
3. Experimentation

7. The process by which water is converted into water vapour or steam is  called:

1. Condensation
2. Transpiration
3. Evaporation

8. The choice of the source of heat depends on the :

1. Colour of the flame
2. click here to continue