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Chemistry

Chemistry
Which of the following is the maximum number of electrons that can be present in M-shell?

18
8
2
32

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Chemistry
Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as

Independent
Synergism
Additives
Antagonism

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Chemistry
Magnalium is an alloy of

Magnesium and Tin
Aluminium and Zinc
Manganese and Magnesium
Aluminium and Magnesium

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Chemistry
The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas

Will be reduced to half
Remains unchanged
Will be doubled
Will increase four-fold

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Chemistry
Which of the following is an iron ore ?

Lignite
Magnetite
Nitrite
Bauxite

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Chemistry
Sea water can be purified by the process of

Evaporation
Filtration
Fractional distillation
Distillation

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MORE MCQ ON Chemistry

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