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Chemistry

Chemistry
Select the one which is not a mixture :

Air
Distilled water
Gasoline
LPG

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Chemistry
Most poisonous pollutant in water is

Phosphate
Arsenic
Zinc
Detergent

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Chemistry
In the periodic table of elements, on moving from left to right across a period, the atomic radius

Does not follow a definite pattern
Decreases
Increases
Remains unchanged

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Chemistry
If the sewage is fully oxidized, the nitrogen is in the form of

Ammonia
Nitramines
Nitrites
Nitrates

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Chemistry
In a Carbonyl group a carbon atom makes double bond with

Oxygen
None of these
Carbon
Hydrogen

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Chemistry
Number of hydrogen atoms in a Glucose molecule

6
14
8
12

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MORE MCQ ON Chemistry

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