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Chemistry

Chemistry
White phosphorus is generally kept under

Kerosene oil
Water
Alcohol
Glycerine

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Chemistry
The main active constituent of tea and coffee is

chlorophyll
aspirin
nicotine
caffeine

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Chemistry
Sea water is saltier than rain water because

Sea animals are salt producing
Rivers wash away salts from earth and pour them into the sea
Sea beds have salt producing mines
The air around the sea is saltish

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Chemistry
What do you understand by the term Espuma ?

Calcium
Soap
Foam
Salt

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Chemistry
The molecular formula of phosphorous is

P3
P2
P1
P4

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Chemistry
A subshell with l=2 can take up

3 electron
8 electron
10 electron
5 electron

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MORE MCQ ON Chemistry

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