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Chemistry

Chemistry
Quartz is a crystalline form of

Silica
Limestone
Alumina
Glass

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Chemistry
Oxide of sulphur present in the atmosphere are washed down by rains to cause :

Eutrophication in lakes
Depletion of fossil fuel reserves
Industrial smog formation
Lowering of pH of soil

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Chemistry
Most commonly used bleaching agent is

Chlorine
Sodium chloride
Alcohol
Carbon dioxide

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Chemistry
Sulphur dioxide present in the industrial chimney exhaust causes

All of these
Respiratory and lung disease
Corrosion building materials
Reduction in plant's productivity owing to acid rain

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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

Synergism
Independent
Additives
Antagonism

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Chemistry
Two electrons in an orbital are differentiated by which of the following ?

Azimuthal quantum number
Spin quantum number
Magnetic quantum number
Principal quantum number

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MORE MCQ ON Chemistry

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