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SAI International School
Subject - Chemistry
Class - VIII
Topic – Combustion and Flame
Sub-Topic-Conditions required for combustion

Home Assignment

Objective Questions

MCQs:

Q. No. Questions Skill Marks

1. Which of the following is not present in a matchstick? U 1
a. Ammonium trisulphide.
b. Potassium chlorate.
c. Red phosphorus.
d. Sodium.
2. Which amongst the following cannot be used to extinguish a K&U 1
fire?
a. Kerosene.
b. Water.
c. Blanket.
d. Sand.
3. Soda acid fire extinguisher produces. U 1
a. Carbon dioxide.
b. Nitrogen monoxide.
c. Sand.
d. Nitrogen gas.
4. Which of the following can be used to extinguish fire due to A 1
electrical short circuit?
a. Sand.
b. Water.
c. Blanket.
d. Petrol.
5. Which of the following has the lowest ignition temperature? U 1
a. Petrol.
b. Wax.
c. Paper.
d. Wood.

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