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


You should give 2 answers in this​

Answer 1

Answer:

1 and 3

1 . pure substances contain........

3. pure substance have the same.......