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Chemistry

Chemistry
The acid present in red ants is

Acetic acid
Formic acid
Caproic acid
Butyric acid

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Chemistry
How many atoms of oxygen are in a glucose molecule

3
10
4
6

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Chemistry
Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ?

Eutrophication
Acidity
Hardness
Alkalinity

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Chemistry
An emulsion is a colloid of a

Gas in a solid
Liquid in a gas
Liquid in a liquid
Gas in a liquid

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Chemistry
The main buffer system of the human blood is

H2CO3 - HCO3
H2CO3 - CO32-
CH3COOH - CH3COO-
NH2CONH2 - NH2CONH+

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Chemistry
The function of skimming tank in sewage treatment is to remove

Oil and fatty substances
Suspended solids
Gritty substances
Inorganic substances

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MORE MCQ ON Chemistry

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