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Chemistry

Chemistry
Which of the following is not present in RNA

Thymine
Phosphate
Uracil
Ribose

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Chemistry
By which organic compound all the oils are known ?

Hydrocarbon
Ester
Carbohydrate
Protein

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Chemistry
Which of the following is not a natural source of hydrocarbon?

Petroleum
Natural Gas
Mica
Coal

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Chemistry
An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Krypton
Helium
Radon
Argon

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Chemistry
Which of the following is used to make light weight, but strong plastic ?

Polythene
Polyvinyl Chloride
Methyl Methacrylate
Nylon

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Chemistry
Gobar gas contains mainly :

Propylene
Ethylene
Acetylene
Methane

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