Question 10
Which of the following non-metals reacts and catches fire on exposure to air?

(a) phosphorus
(b) nitrogen
(c) sulphur
(d) hydrogen

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Solution

(a) phosphorus

Phosphorus reacts and catches fire on exposure to air.

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Similar questions

Which of the following metal catches fire when reacts with water?

Assertion:- Sodium metal reacts violently with water and burns with a yellow flame.

Reason:- A large amount of heat is generated and hydrogen evolved immediately catches fire.

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