Question

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​

Answer 1

Answer:

This is ur answer...

Explanation:

A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations of two or more elements and/or compounds.

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BTW I THINK ANSWER 1 IS SUITABLE

Answer 2

$\huge\bold\red{Question}$

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

$\huge\bold\green{Answer}$

The following statements are true for pure substances :

(i) Pure substances contain only one kind of particles

(iii) Pure substances have the same composition throughout