Question

Which of the following materials fall in the category of a "pure
substance"?
(a) Ice
(b) Milk
(c) Iron
(d) Hydrochloric acid
(e) Calcium oxide
(1) Mercury
(g) Brick
(h) Wood
w Air.​

Answer 1

Answer:

hey mate here is your answer hope it helps you

Answer 2

Answer:

mercury

Explanation:

Find the difference between the simple interest and compound interest on Rs. 16000 for 1 1

2

Years at 5% per annum, compound interest being reckoned half-yearly.