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Chemistry

Chemistry
Bleaching powder is used in drinking water as a/an

Antiseptic
Coagulant
Disinfectant
Antibiotic

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Chemistry
Iodine value is used to estimate

Unsaturation in oil
Hydroxyl groups in oil
Carboxylic groups in oil
Alkali content in oil

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Chemistry
Copper substances when exposed to air gains a green coating due to the formation of:

CuCO3 Cu(OH)2
CuSO4
Cu(NO3)2
CuO

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Chemistry
Milk is a

Element
None of these
Mixture
Metal

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Chemistry
The orientation of an atomic orbital is governed by

Magnetic quantum number
Principal quantum number
Azimuthal quantum number
Spin quantum number

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Chemistry
The first metal used by a man was

Copper
Brass
Silver
Bronze

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MORE MCQ ON Chemistry

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