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Chemistry

Chemistry
Slag is a name given for

Molten calcium silicate
Molten iron
Molten sand
Molten alumina

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Chemistry
In the periodic table of elements, on moving from left to right across a period, the atomic radius

Increases
Remains unchanged
Decreases
Does not follow a definite pattern

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Chemistry
Water gas is the combination of

CO and H2O
CO and H2
CO2 and CO
CO2and H2

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Chemistry
Gobar gas mainly contains

Carbon dioxide
Methane
Hydrogen sulphide
Carbon monoxide

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Chemistry
In silvery paints, the main constituent present is

Lead powder
Silver powder
Aluminium powder
White lead

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Chemistry
Among the following the hardest metal is

Iron
Tungsten
Platinum
Gold

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MORE MCQ ON Chemistry

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