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Chemistry

Chemistry
White phosphorus is always kept under

Benzene
Kerosene
Ether
Water

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Chemistry
Main source of lead pollution is from

Insecticides
Sewage
Tobacco
Leaded gasoline

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Chemistry
Which one of the following contains maximum percentage of carbon ?

Stainless steel
Cast iron
High speed steel
Wrought iron

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Chemistry
The buffer action of blood is due to the presence of

[HCO3]– and H2CO3
CI– and [CO3]2–
CI– and [HCO3]–
HCI and NaCI

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Chemistry
The gas used for filling weather balloons is

Helium
Nitrogen
Air
Hydrogen

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Chemistry
Baryllium Sulphate is less soluble in water due to

Low inflammable energy
High inflammable energy
Low Energy of dissociation
Lonic band

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MORE MCQ ON Chemistry

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