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Chemistry

Chemistry
The molecule which has the highest percentage of ionic character among the following is

HI
HBr
HCI
HF

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Chemistry
The chemical substance present in bones and teeth is

Calcium chloride
Calcium sulphate
Calcium borate
Calcium phosphate

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Chemistry
The most commonly used bleaching agent is

sodium chlorine
alcohol
chlorine
carbon dioxide

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Chemistry
Threshold limit value of copper in the atmospheric air is

0.01 mg/m3
5.0 mg/m3
1.0 mg/m3
0.001 mg/m3

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Chemistry
What is the principal ore of aluminium ?

Bauxite
Dolomite
Copper
Lignite

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Chemistry
Which of the following is biodegradable ?

Paper
Aluminium
Plastic
D.T.

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MORE MCQ ON Chemistry

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