Which of the following statements are correct for pure substances?

Matter Around Us Pure? is the chapter 2 of Class 9 NCERT book. The MCQ Question is given below for Class 9 Chapter 2 Is Matter Around Us Pure?

Question

Which of the following statements are correct for pure substances?

(i) Pure substances contain only one kind of particles.

(ii) Pure substances may be compounds or mixtures.

(ii) Pure substances have the same composition throughout.

(iv) Pure substances can be exemplified by all elements other than copper.

Options

(a) (i) and (ii)

(b) (i) and (iii)

(c) (ii) and (iii)

(d) (iii) and (iv)

Answer

Option (b) is the right answer.

Explanation: Pure substances contain one type of particles and have the same composition throughout.