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Chemistry

Chemistry
The laws of electrolysis are given by

Arrhenius
Lewis
Ostwald
Faraday

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Chemistry
Sulphuric acid is

Tribasic
Tetrabasic
Dibasic
Monobasic

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Chemistry
Which one of the following metals is used to galvanise iron ?

Lead
Mercury
Zinc
Copper

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Chemistry
The most abundant inert gas in the atmosphere is

Argon
Krypton
Neon
Helium

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Chemistry
A thick paste of cement, sand and water is called

R.C.C.
Concrete
Mortar
Kiln

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Chemistry
The mass number of an atom is equal to

the number of nucleons
the number of protons
the number of neutrons
the number of protons and electrons

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