Question

1. Fill in the blanks :
A. ............... is formed when carbon isburnt in a limited supply ofair or oxygen.
B. Carbon monoxide burns in air with a.................
flame to form carbon dioxide.
c) Carbon monoxide is a product of................
combustion.
D. A mixture of 95% oxygen and 5% carbon
dioxide is called............... .
(e) Carbon monoxide is used as a ..................in the extraction of pure metals from their
corresponding ores.​

Answer 1

Answer:

1. co2

2. co2

3.carbon and oxygen.

4co2

5.metalurgical elements

Answer 2

Answer:

1. ash
2. oxygen
3. incomplete combustion of carbon
4. carbogen