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Chemistry

Chemistry
The Bhopal tragedy was caused by the gas

Methyl isocyanate
Phosgene
Chlorine
Carbon monoxide

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Chemistry
Carborundum is another name of

Calcium oxide
Calcium carbide
Silicon carbide
Silicon oxide

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Chemistry
Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium

A, C and E
A and C
B, D and E
A, B, C, D and E

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Chemistry
Which of the following metals is not a pollutant ?

Arsenic
Lead
Aluminium
Mercury

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Chemistry
Milk is a colloidal system in which:

Water is dispersed in fat
Fat is dissolved
Fat and water are dispersed in each other
Fat is dispersed in water

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Chemistry
Nitrogen forms a variety of compounds in all oxidation states ranging from

–3 to + 4
–3 to + 5
–3 to + 3
–3 to + 6

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