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Chemistry

Chemistry
What is the second largest component in milk ?

Fat
Sugar
Water
Minerals

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Chemistry
Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ?

Hydrogen peroxide
Saltpetre
Sodium chloride
Borax

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Chemistry
Which of the following is not a greenhouse gas ?

Chlorofluorocarbon
Carbon dioxide
Hydrogen
Nitric oxide

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Chemistry
The hardest form of carbon is

diamond
coke
charcoal
graphite

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Chemistry
Which of the following vitamins is generally excreted by human in urine?

Vitamin C
Vitamin D
None of these
Vitamin B

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Chemistry
Which of the following does the Nucleus of an atom consist of?

Protons
Electrons
Protons and electrons
Protons and neutrons

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