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Chemistry

Chemistry
Saline soil contains

Lot of moisture
High concentration of salt
None of these
Hard rocks

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Chemistry
Electric fuse is an alloy of

Zinc and lead
Tin and lead
Carbon and tin
Copper and iron

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Chemistry
The important ore of aluminium is

Bauxite
Cryolite
Fluorspar
Haematite

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Chemistry
What do you understand by the term Espuma ?

Salt
Soap
Calcium
Foam

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Chemistry
Brass is a solution of molten copper in

Gaseous zinc
Molten tin
Solid zinc
Molten zinc

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Chemistry
Sulphur dioxide present in the industrial chimney exhaust causes

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

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