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Chemistry

Chemistry
Air shows the property of

N2
O2
Both A and B
None of these

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Chemistry
Which of the following alkali metals has highest specific heat?

Caesium
Rubidium
Potassium
Lithium

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Chemistry
Which of the following is a renewable source of energy ?

Geothermal powder
Coal
Natural gas
Uranium

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Chemistry
Sulphur dioxide bleaches colouring matter by :

Decomposition
Reduction
Dehydration
Oxidation

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Chemistry
Which of the following is not present in RNA

Uracil
Ribose
Thymine
Phosphate

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Chemistry
Interveinal necrotic spots on leaves appear due to

SO2injury
O3injury
HF injury
NO2injury

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