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Chemistry

Chemistry
The purest form of Iron is :

Pig iron
Wrought iron
Cast iron
Steel

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Chemistry
The gas which is mainly responsible for the green house effect is:

Oxygen
Carbon monoxide
Ozone
Carbon dioxide

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Chemistry
The unit to measure the flow of water is

Ohm meter
Cusecs
Micro Mho
Milli curie

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Chemistry
Which one of the following forms of phosphorus is most reactive?

Black phosphorus
Red phosphorus
Violet phosphorus
White phosphorus

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Chemistry
The acid which is secreted by the glands in the stomach wall is

Nitric acid
Phosphoric acid
Hydrochloric acid
Sulphuric acid

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Chemistry
Browning of paper in old books is caused by

Oxidation of cellulose
Collection of dust
Lack of aeration
Frequent use

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MORE MCQ ON Chemistry

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