Question

A. Tick the most appropriate answer.
1. Chemistry is a branch of science which deals with the study of
a. plants.
b. animals.
c. characteristics and composition of substances. d. the earth.
2. The periodic law was formulated by
a. Lavoisier
b. Mendeleev
C. Dalton.
d. Rutherford
3. An example of a petrochemical is
a. steel.
b. kerosene.
C. brick.
d. silk.
C. fertilizers.
d. mortar.
4. Silicon and germanium find use in
a. electronics.
b. explosives.
5. An example of explosives is
a. trinitrotoluene. b. paracetamol.
C. saccharin.
d. coal.​

Answer 1

Answer:

1) c option

sorry others I don't know

Answer 2

1. c

2.b

3.c

4.a

5. a

the answer of your question is here hope it was helpful.