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Chemistry

Chemistry
Surface water is a better source of drinking water because it is poor in

Arsenic
Dust
Bacteria
Algae

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Chemistry
The strongest acid of the following is

P-chlorophenol
P-nitrophenol
O-nitrophenol
M-nitrophenol

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Chemistry
The strongest oxidizing agent among the following is:

Chlorine
Fluorine
Iodine
Oxygen

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Chemistry
The ore which is found in abundance in India is

magnetite
monazite
fluorspar
bauxite

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Chemistry
Cyanide poisoning causes death in seconds because

It causes Lysis of red blood cells
It denatures enzymes of the heart/muscle
It breaks the electron transport chain
It causes cardiac arrest

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Chemistry
In its reaction with silver nitrate, C2H2 shows

Acidic property
Reducing property
Oxidising property
Basic property

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MORE MCQ ON Chemistry

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