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Chemistry

Chemistry
The water pollution in river is measured by the dissolved amount of

Chlorine
Nitrogen
Oxygen
Ozone

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Chemistry
The weight of 6.023 × 1022 atoms of carbon is

0.12 gms
120 gms
1.2 gms
12 gms

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Chemistry
The National Chemical Laboratory is situated in

Patna
Pune
New Delhi
Bangalore

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Chemistry
The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is

carbon
hydrogen
nitrogen
oxygen

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Chemistry
The new strain of bacteria produced by biotechnology in alcohol industry is

Pseudomonas putida
Saccharomyces cerevisiae
Escherichia coli
Bacillus subtilis

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Chemistry
The iron ore magnetite consists of

3Fe2O3 .. 3H2O
Fe2O3
FeCO3
Fe3OH4

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MORE MCQ ON Chemistry

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