Question

A. MCQ-Choose the correct answers.
1. This is a nonmetal among the following
(a) sodium
(b) copper
(c) iron
(d) oxygen
2. Which of these is the most ductile metal?
(a) sodium
(b) copper
(c) aluminium
(d) gold
3. This nonmetal has antiseptic properties.
(a) oxygen
(b) nitrogen
(c) iodine
(d) hydrogen
4. This gas is used for breathing and also for
burning
(a) nitrogen
(b) oxygen
(c) hydrogen
(d) chlorine​

Answer 1

Answer:

4-oxygen 1-oxygen

2&3 don't know

Answer 2

1) oxygen

2) gold

3) iodine

4) oxygen

This answer is correct

hope it will help you