Question

Which of the following statements are true for pure substances? The statements are given below: * 1 point 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. Now choose the correct answer: a. i and ii b. i and iii c. iii and iv d. ii and iii

Answer 1

Answer: (i) Pure substances contain only one kind of particles

iv. Pure substances can be exemplified by all elements other than nickel.

Explanation: These are the true statements for pure substances. Pure substances are basically made up of only 1 types of atom; elements.