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General Science

General Science
Permanent hardness of water may be removed by the addition of

Sodium Carbonate
Alum
Potassium Permanganate
Lime

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General Science
The group of metals Fe, Co, Ni may best called as

Rare metals
Main group metals
Alkali metals
Transition metals

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General Science
Which of the following is the lightest metal?

Lead
Mercury
Silver
Lithium

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General Science
Marsh gas is

Ethane
Methane
Nitrogen
Hydrogen

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General Science
Carbon, diamond and graphite are together called

Isomers
Isotopes
Allotrope
Isomorphs

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General Science
Reading of a barometer going down is an indication of

Snow
Rainfall
Storm
Intense heat

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MORE MCQ ON General Science

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