Question

iv)Assertion(A) :Elements and compounds are the examples of pure substances.


Reason( R):The properties of a compound are different from those of its constituent elements.

a) Both A and R are true and R is the correct explanation of A.

b) Both A and R are true but R is not the correct explanation of A.

c)A is true R is false

d) A is false R is true​

Answer 1

Answer:

answer will be point A both a and r are true and r is the correct explanation of a

Answer 2

Answer:

Pure substances are defined as substances that are made of only one type of atom or molecule. Thus Elements and compounds are the examples of pure substances.

The physical properties of a pure substance include well-defined melting and boiling points.

The properties of a compound are different from those of its constituent elements.

Both Assertion and reason are correct statements but are not related.

Hence, option B is correct.