Question

1) write any 4 physical properties of carbon dioxide.

2) write any 4 uses of carbon dioxide

3) uses of coal
​

Answer 1

Answer:

carbon dioxide is acidic in nature

carbon dioxide is obtained by combustion of carbon compounds

carbon dioxide is required during photosynthesis

formula of carbon dioxide is CO2

Answer 2

Answer:

$\huge{\underline{\bold{\orange{Question:}}}}$

1) Write any 4 physical properties of carbon dioxide.

2) Write any 4 uses of carbon dioxide

3) Uses of coal

‌$\huge\fbox\red{Answer}$

Explanation:

• 1. It appears as a colorless odorless gas at atmospheric temperatures and pressures.
• Nontoxic and noncombustible
• Heavier than air
• Soluble in water.

2. Carbon dioxide is used as a

• Refrigerant
• Fire extinguishers
• Inflating life rafts and life jackets
• Blasting coal
• Foaming rubber and plastics
• Promoting the growth of plants in greenhouses, immobilizing animals before slaughter, and in carbonated beverages.

3. The uses of coal are in electricity generation, steel production, cement manufacturing and as a liquid fuel.