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Chemistry

Chemistry
Which of the following is very reactive and kept in kerosene?

Sodium
Iodine
Bromine
Potassium

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Chemistry
If water smells bad, then that odour can be removed by adding

Bleach
Activated carbon
Alum
Deactivated nitrogen

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Chemistry
The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :

Galvanization
Zinc plating
Vulcanization
Alloy formation

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Chemistry
DDT and BHC may act as

Allergens
Asthematic agents
None of these
Carcinogens

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Chemistry
Wood spirit is

Ethyl alcohol
Butyl alcohol
Methyl alcohol
Propyl alcohol

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Chemistry
Sulphur dioxide present in the industrial chimney exhaust causes

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

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