Question

1. MCQ:
(1) Early man must have seen
long before he
began to use fire himself.
A. volcanoes B. lightning C. earthquakes
D. Both 'A' and 'B'
(2) To make fire
is / are needed.
A. fuel
B. oxygen
C. heat D. All of these three
(3) 'Kindling temperature' is ...
A. the 'flash poinť.
B. the temperature at which a fuel begins to burn.
C. the temperature at which oxygen is availed to produce heat.
D. Both 'A' and 'B'.
(4) Fire can become dangerous if...
A. we do not use it properly.
B. we do not have enough knowledge of it.
C. it goes out of control.
D. too much of oxygen is around.
(5) To stop fire, we need to ...
A. take away the fuel. B. prevent oxygen from reaching it.
C. remove heat.
D. All of these three.
(6)It is not advisable to extinguish fire using water.
A an electrical. B an oil. C a house. D Both A and B​

Answer 1

Answer:

A. volcano is the answer