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Chemistry

Chemistry
Normal rainwater has a pH level of

8.3
3.2
5.6
6.3

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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
The laws of electrolysis are given by

Arrhenius
Ostwald
Faraday
Lewis

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Chemistry
When water itself combines chemically with some element or mineral it is called

Carbonation
Hydration
Oxidation
Desilication

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Chemistry
Phosphorus is kept in water because

Its ignition temperature is very low
Its critical temperature is low
Its ignition temperature is very high
Its critical temperature is high

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Chemistry
Milk is a colloidal system in which:

Fat is dissolved
Water is dispersed in fat
Fat and water are dispersed in each other
Fat is dispersed in water

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