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Chemistry

Chemistry
The substance which does not expand on going from liquid state to solid state is

Cast-iron
Type metal
Water
Aluminium

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Chemistry
Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ?

Pyrolysis and Gasification
Landfills
Incineration
All listed here

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Chemistry
Which of the following processes is used for the production of Biodiesel ?

Transamination
Transcription
Translation
Transesterification

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Chemistry
Black lung disease occurs in people working in

Coal mines
Organic solvents industry
Paint manufacturing industry
Electroplating industry

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Chemistry
The gas involved in Bhopal incident was

Methyl isocyanide
Nitrogen dioxide
Methyl chloride
Hydrogen sulphide

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Chemistry
One property of ammonia is

It is insoluble in water
Its aqueous solution turns red litmus blue
It is a yellowish gas
It is a odourless gas

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