Class -VIII, Online Chemistry Test
Test Your Chemistry Knowledge!
Welcome to the online Chemistry quiz designed for Class VIII students! Dive into the fascinating world of chemistry with these 10 engaging questions covering the properties of flames, fuels, and more.
Put your knowledge to the test and see how much you know about:
- Types of fuels
- Spontaneous combustion
- Energy production in the human body
- Fire safety
1.The hottest zone of the flame is
Innermost zone
Outermost zone
Middle zone
None of these
2.Which fuel is the ideal fuel to be used at home ?
CNG
LPG
Coal
Wood
3.Which of the following will show spontaneous combustion ?
Sodium
Calcium
Carbon
Sulphur
4.The fuel used in the human body to produce energy is
Coal
Food
Ppaper
Juices
5.The gas produced in the working of soda-acid type fire extinguisher is
Oxygen
Carbon dioxide
Sulphur dioxide
Hydrogen
6.The process of slow conversion of dead vegetation in to coal is called
Distillation
Fractional distillation
Carbonisation
Refining
7.The white semi-solid fraction of petroleum used for making Vaseline is
Asphalt
Paraffin wax
Lubricating oil
Fuel oil
8.Black gold is another name for
Petroleum
Charcoal
Coke
Coal
9. The most pure form of carbon fuel is
Coal
Charcoal
Coke
None of these
10.Peat is a type of
Coke
Coal
Charcoal
Petroleum
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