Page 4 - HA 1

Choose the correct option

1. Which of the following is not present ion matchstick?
e. Ammonium trisulphide.
f. Potassium chlorate.
g. Red phosphorus.
h. Sodium.
2. Which among the following cannot be used to extinguish a fire?
e. Kerosene.
f. Water.
g. Blanket.
h. Sand.
3. Soda acid fire extinguisher produces.
e. Carbon dioxide.
f. Nitrogen monoxide.
g. Sand.
h. Nitrogen gas.
4. Which of the following can be used to extinguish fire due to electrical short circuit?
e. Sand.
f. Water.
g. Blanket.
h. Petrol.
5. Which of the following has the lowest ignition temperature?
e. Petrol.
f. Wax.
g. Paper.
h. Wood.

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