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Chemistry

Chemistry
One carat of diamond is equal to

100 mg
150 mg
200 mg
250 mg

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Chemistry
The chemical used in embalming biological materials is

Gaseous formaldehyde
Ethylene glycol
Formaldehyde in methanol
Formaldehyde in water

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Chemistry
Oxygen has (+) oxidation number only in

H2O (2)
N2O
C12O
OF2

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Chemistry
Which of the following has least negative electron gain enthalpy

S
F
P
Cl

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Chemistry
Brine refers to :

Salt water
Sweet water
Pure water
Starch water

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Chemistry
Which of the following is not a greenhouse gas ?

Hydrogen
Nitric oxide
Chlorofluorocarbon
Carbon dioxide

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MORE MCQ ON Chemistry

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