Which of the following statements are tr...

Which of the following statements are true for pure substances ?
(i) Pure substances contain only one kind of particles
(ii) Pure substances may be compounds or mixtures
(iii) Pure substances have the same composition throughout
(iv) Pure substances can be exemplified by all elements other than nickel.

(i) and (ii)

(i) and (iii)

(iii) and (iv)

(ii) and (iii).

Verified by Experts

The correct Answer is:

Both these statements are correct.

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Which of the the following statements are true for pure substance ? (i) pure substance contain only one kind of particles (ii) pure substance may be compounds or mixtures (ii) pure substance have the same composition throughout (iv) pure substances can be exemplified by all elements other than nickel

(i) and (ii)

(i) and (iii)

(iii) and (iv)

(ii) and (iii)

CNG (compressed natural gas)

LPG (liquefied natural gas)

Distilled water

Kerosene

a compound

an element

an element or a compound.

a heterogeneous mixture.