WorksheetsFLAME
Total questions: 10
Worksheet time: 5mins
which fuels are used for running automobiles?
wood
coal
diesel
charcoal
when magnesium ribbon burnt it produce
magnesium hydroxide
Magnesium oxide
magnesium chloride
magnesium sulphate
Combustion is a reaction in which a substance reacts with
hydrogen
Nitrogen
Oxygen
Chlorine
Fuel may be
Solid
Liquid
Gas
All of the three
Combustion is a
Physical process
Chemical process
both A and B
None of these
Burning of charcoal in a closed room will produce
Carbon dioxide
Nitrogen DIoxide
Carbon monoxide
all of these.
there are following zones of a flame
Two
Three
Four
No any zone
Which is the hottest part in the flame of the candle
Yellow
Wax part
Black
Blue
Good fuel is
Readily available
Cheap
Burn easily in air
All of these
What does this hazard symbol warn of?
The substance is explosive
The substance burns easily
The substance supplies oxygen to fires
The substance puts out fires
