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Chemistry

Chemistry
Fertiliser having high nitrogen content is :

Calcium citrate
Ammonium nitrate
Urea
Ammonium sulphate

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Stabilise the colloid and prevent crystallisation
Prevent making a colloid
Enrich the aroma
Stabilise mixture

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Chemistry
Nucleus of an atom consists of.

Proton and Neutron
Neutron
Electron, Proton and Neutron
Proton

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Chemistry
Which of the following has pH value 7?

HCl
Sodium Carbonate
Pure Water
H2SO4

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

Vitamin C
Vitamin B
Vitamin D
None of these

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Chemistry
One of the following is used to dissolve noble metals. That is

Sulphuric acid
Nitric acid
Hydrochloric acid
Aqua ragia

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