Chemistry Practice Questions Set 7
For India's Top Government Exams
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Which one among the following is a sin smelling agent added to the LPG cylinder to help the detection of gas leakage?
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1 point
A body is charged negatively. It implies that
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1 point
Contact lenses are made from ___
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1 point
Which one of the following metals is used for making boats because it does not corrode by seawater?
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1 point
Scuba divers are at risk due to high concentrations of dissolved gases while breathing air at high pressure under water. The tanks used by Scuba divers are filled with ___
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1 point
Water is a good coolant and is used to cool the engines of cars, buses, trucks, etc. It is because water has a ___
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1 point
The law enforcement agencies use a chemical test to approximate a person’s blood-alcohol level. The person undergoing the test blows into the mouthpiece of a bag containing sodium dichromate solution in an acidic medium. A chemical reaction with ethanol changes the color of the solution to _____ *
1 point
Heavy water implies
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1 point
When items or jewellery made of metals such as copper or nickel are placed in a solution having a salt of gold, a thin film of gold is deposited by ___
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1 point
Which one of the following is not needed in a nuclear fission reactor?
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1 point
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