CHEMISTRY PAPER FORM ONE EXM

 SAHAL SECONDARY SCHOOL                              FORM ONE EXM
LOCATION: DAGAHALEY
ORG:            RET

END TERM ONE



1a. State two reasons why most laboratory apparatus are made of glass 2marks
b. Give two reasons why non-luminous flame is preferred for heating in laboratory 2marks
c. Draw and name the parts of a luminous flame 5marks
d. The bunsen burner is one of the apparatus used for heating in laboratory. Name two other apparatus used for heating 2marks
2. Define the following terms.
a. Fractional distillation 2marks
b. Saturated solution 1mark
c. Element 1mark
d. Atom 1mark
3. A student heated crystals of hydraued copper II sulphate in a test tube.
a. State and explain the observation made 2marks
b. Classify the above change either as physical or chemical change. Give one reason for your answer 2marks
c. Write a word equation for heating and cooling zinc II oxide 1mark
4a. State the kinetic theory of matter 1mark
b. Explain the following processes using the kinetic theory of matter
i. Melting 2marks
ii.boiling 2marks
5a. Name the elements in the following compounds.
i. Magnesium hydrogen sulphate 2marks
ii. Sodium iodine 1mark
b. The table below shows some elements in chemistry. Indicate their chemical symbols. 10marks
Element symbol
sulphur
fluorine
calcium
manganese
argon
potassium
lead
mercury
silver
copper
c. Write a word equation for the reaction between sulphur and iron 1mark
d. List the elements present in
i. Carbon IV oxide 1mark
ii. Magnesium oxide 1mark
iii. Copper II Nitrate 1mark