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Chemistry

Chemistry
The gas used for filling weather balloons is

Air
Helium
Hydrogen
Nitrogen

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Chemistry
Number of hydrogen atoms in a Glucose molecule

6
8
14
12

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Chemistry
The alkaloid naturally found in coffee, cocoa and cola nut is

Morphine
Tannin
Caffeine
Cocaine

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Chemistry
An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is

17
19
53
36

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Chemistry
German silver used for making utensils is an alloy of

Copper, zinc, nickel
Copper, silver, nickel
Copper, zinc, aluminium
Copper, nickel, aluminium

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Chemistry
The name of plastic polymer from which combs, toys, bowls etc., can be made, is

Teflon
Polystyrene
Polyurethane
Metallic polysulphides

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MORE MCQ ON Chemistry

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