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Chemistry

Chemistry
The National Chemical Laboratory (India) is located in

Hyderabad
Mumbai
Pune
Bangaluru

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Chemistry
Detergents used for cleaning clothes and utensils contain

Bismuthates
Sulphonates
Nitrates
Bicarbonates

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Chemistry
Which of the following fuels causes minimum environmental pollution?

Kerosene
Coal
Hydrogen
Diesel

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Chemistry
The charcoal used to decolourise brown sugar solution is

Sugar charcoal
Wood charcoal
Animal charcoal
Coconut charcoal

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Chemistry
Which one of the following statements is not correct? Vulcanisation of rubber makes it

Chemical resistant
Soft and flexible
Withstand higher temperatures
Strong and hard

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Chemistry
Diamonds are glittering and attractive because light incident on them undergoes

Multiple surface reflections
Multiple internal reflections
Hundred percent transmission
Highest refraction

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