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Chemistry

Chemistry
Main source of lead pollution is from

Leaded gasoline
Sewage
Insecticides
Tobacco

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Chemistry
Which substance is used to retard the setting action of cement?

Na2O + K2O
Al2O3
CaSO4, 2H2O
CaO

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Chemistry
The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3

2
zero
5
4

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Chemistry
Which of the following produces highest amount of energy upon oxidation?

Glucose
An alkane
Fat
Protein

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Chemistry
Which of the following alkali metals has highest specific heat?

Potassium
Lithium
Rubidium
Caesium

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Chemistry
The major constituent of gobar gas is

Isobutane
Carbon dioxide
Methane
Butane

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MORE MCQ ON Chemistry

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