Question

3.
B
(i) Carbon
(ii) Carbon monoxide
(iii) Carbon dioxide
(iv) LPG
(a) turns limewater milky
(b) cracking of petroleum
(c) has many allotropes
(d) forms carboxyhaemoglobin​

Answer 1

Answer:

1. TURNS LIMEWATER MILKY-CARBON DIOXIDE
2. CRACKING OF PETROLEUM-LPG
3. HAS MANY ALLOTROPES-CARBON
4. FORMS CARBOXYHAEMOGLOBIN-CARBON MONOXIDE

Answer 2

Answer:

a. carbon dioxide

b. LPG

c. Carbon

d. Carbon monoxide