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Chemistry

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

Oxygen
Carbon dioxide
Carbon monoxide
Ozone

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Chemistry
The electronic configuration of an atom having atomic number ‘20’ is

2, 10, 8
2, 8, 8, 2
2, 6, 8, 4
2, 8, 10

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Chemistry
What do you understand by the term Espuma ?

Foam
Calcium
Salt
Soap

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Chemistry
The pH of human blood is between :

7.5-8
4.5-5
44052
6.5-7

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Chemistry
Citric acid is present in free form in

Tamarind
Lemon
Apple
Milk

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Chemistry
Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of

Isothermal system
Open system
Closed system
Isobaric system

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MORE MCQ ON Chemistry

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