Question

Which of the following statements are true for pure substances?

i)Pure substances can be compounds or mixture.
ii)Pure substances have the same composition throughout the sample.
iii)Pure substances can be either an element or a compound.
iv) Pure substances have constant properties throughout the sample

• A. ii, iii, and iv
• B. i, ii, and iv
• C. i and iii

Answer 1

The correct option is A

ii, iii, and iv