Question

Please anyone tell me the answer of these two questions

Q.1. What are allotropes?
Q.2. What are efflorescence?​

Answer 1

Answer:

Ans 1. Allotropes are the elements which exist in two or more different forms in the same physical state. Allotropes generally differ in physical properties and may also differ in chemical activity. Diamond, graphite and fullerenes are three allotropes of the element carbon.

Ans 2. In chemistry, efflorescence (which means "to flower out" in French) is the migration of a salt to the surface of a porous material, where it forms a coating. The essential process involves the dissolving of an internally held salt in water, or occasionally in another solvent.

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Answer 2

Each of two or more different physical forms in which an element can exist is called Allotropes.