Question

Which of the following substances can cause a fire?

• A. Solid substance - Wood, Coal
• B. Gaseous substance - Acetylene
• C. Liquid substance - Magnesium
• D. Chemical Substance- Zinc

Answer 1

Answer: (A), (B), (D)

The correct options are
A

Solid substance - Wood, Coal

B

Gaseous substance - Acetylene

D

Chemical Substance- Zinc

Wood and coal in presence of air and a source of fire can cause a fire.

Acetylene in presence of oxygen and a source of fire can cause a fire.

Zinc reacts with water at a high temperature causing fire.