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Chemistry

Chemistry
One carat of diamond is equal to

200 mg
100 mg
150 mg
250 mg

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Chemistry
The gas which turns into liquid at the lowest temperature among the following is

Helium
Hydrogen
Nitrogen
Oxygen

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Chemistry
The most common cause of pollution of air is

Smoke
Sulphur dioxide
Carbon monoxide
Carbon dioxide

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Chemistry
24 carat of diamond is equal to

95% mg
200 g
200 mg
91% gold

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Chemistry
Ethanol containing 5% water is known as

Power alcohol
Methylated alcohol
Rectified spirit
Denatured spirit

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Chemistry
Haloarenes are more stable than haloalkanes due to

Resonance effect
Hyper conjugative effect
All of them
Inductive effect

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MORE MCQ ON Chemistry

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