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Chemistry

Chemistry
The number of moles of solute present in 1 kg of a solvent is called its

molarity
formality
normality
molality

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Chemistry
When a spoon is to be electroplated with nickel the spoon is

Made cathode and a pure nickel red, the anode
Coated with nickel sulphate and dried
Made anode and a pure nickel rod, the cathode
Dipped in a nickel sulphate solution

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Chemistry
An element of atomic no. 29 belongs to

F-block
S-block
P-block
D-block

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Chemistry
Which one of the following metals pollutes the air of a city having large number of automobiles?

Copper
Chromium
Lead
Cadmium

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Chemistry
Periodic table contains how many groups

18
16
17
19

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Chemistry
A pungent smell often present near the urinals is due to

Sulphur-di- oxide
Ammonia
Urea
Chlorine

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MORE MCQ ON Chemistry

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