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Chemistry

Chemistry
Which of the following gases is most toxic ?

Chlorine
Carbon dioxide
Sulphur dioxide
Carbon monoxide

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Chemistry
Denatured spirit is ethanol mixed with

Petrol
Pyridine
Kerosene
Water

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Chemistry
Gunpowder consits of a mixture of

TNT and charcoal
Sulphur, sand and charcoal
Sand and TNT
Nitre, sulphur and charcoal

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Chemistry
The high reactivity of fluorine is due to

its high electro negativity
availability of d-orbitals
small size of fluorine atom
strong F - F bond

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Chemistry
Cement containing excess amount of lime

Is quick setting
Is slow setting
Becomes more strong
Cracks during setting

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Chemistry
Which one among the following is not a mixture?

Graphite
Steel
Brass
Glass

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MORE MCQ ON Chemistry

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