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Chemistry

Chemistry
Which of the following is not present in RNA

Thymine
Uracil
Ribose
Phosphate

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Chemistry
Which metal is extracted from sea water?

Potassium
Magnesium
Aluminium
Beryllium

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Chemistry
Chemical name of bleaching powder is :

Calcium bi chloride
Calcium chlorate
Calcium chloro hypochlorite
Calcium hypochlorite

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Chemistry
Which of the following is used as filler in tyre of rubber ?

Coal
Graphite
Coke
Carbon black

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Chemistry
Green house effect is accelerated by

Increased transportation activity
All of these
Rapid industrialization
Deforestation

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Chemistry
Laughing gas is

Nitric oxide
Nitrogen pentoxide
Nitrogen trioxide
Nitrous oxide

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