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Chemistry

Chemistry
The heat energy produced when the human body metabolises 1 gram of fat is

39 KJ
30 KJ
29 KJ
1 KJ

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Chemistry
Which one of the following is not a fertilizer?

Calcium ammonium nitrate
Calcium sulphate
Ammonium sulphate
Potassium nitrate

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Chemistry
The antiseptic compound present in dettol is

Iodine
Biothional
Cresol
Enloroxylenol

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Chemistry
The three elements most needed in common fertilisers are :

Sulphur, Phosphorous and Sodium
Calcium, Phosphorous and Potassium
Nitrogen, Potassium and Phosphorous
Phosphorous, Sodium and Nitrogen

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Chemistry
The major constituent of air is

nitrogen
oxygen
carbon dioxide
hydrogen

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Chemistry
'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of –

Hund's rule of maximum multiplicity
Avogadro's Law
Uncertainty Principle of Hiesenberg
Exclusion Principle of Pauli

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