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)
Answer:B
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)
Explanation: A pure substance is one which is made up of only one kind of atoms or molecules. They have the same composition throughout.