Which of the following statements are true for pure substances?- Pure substances contain only one kind of particles
- Pure substances may be compounds or mixtures
- Pure substances have the same composition throughout
- Pure substances can be exemplified by all elements other than nickel
(a) (i) and (ii)
(b) (i) and (iii)
(c) (iii) and (iv)
(d) (ii) and (iii)
Correct Answer: (b) (i) and (iii)
Explanation: A pure substance is made up of only one kind of particles like element. Its composition is also the same throughout.
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