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Chemistry

Chemistry
The most pure form of Carbon among the options is

Graphite
Anthracite
Lampblack
Wood Charcoal

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Chemistry
In galvanization, iron is coated with

Nickel
Tin
Copper
Zinc

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Chemistry
Bakelite is a co-polymer of Phenol and

Formaldehyde
Cinnaldehyde
Acetaldehyde
Benzaldehyde

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Chemistry
One property of ammonia is

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

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Chemistry
Haloarenes are more stable than haloalkanes due to

Resonance effect
All of them
Hyper conjugative effect
Inductive effect

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Chemistry
Which one of the following acids is used in battery ?

Hydrofluoric acid
Sulphuric acid
Sulphurous acid
Hydrochloric acid

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