Question

True/False
a. Graphite is used as dry lubricant in machinery
b. Water gas is a mixture of hydrogen gas and carbon dioxide gas.
c. Diamond is the purest form of carbon.
d. Chemical formula of marble is CaSO4.
e. Activated charcoal is used as deodorant
f. Dry ice is used for extinguishing fire,
g. Ammonium Sulphate is used as an artificial fertiliser.
h. Gas carbon is a gaseous form of carbon
i. Carbon dioxide gas turns lime water milky.
J. Carbon dioxide gas turns moist red litmus paper blue​

Answer 1

Answer:

Explanation:

1.T

2.F

3.T

4.F

5.T

6.F

7.T

8.F

9.F

10.T

Answer 2

1 T
2 F
3 T
4 F
5 T
6 F
7 T
8 F
9 F
10 T