Question

8. When a metal 'X' is added to an
acid solution 'Y', there is no
evolution of any gas. Which of the
following conclusions can be drawn
from this observation (i) metal 'X' is
copper (ii) acid 'Y' is concentrated
sulphuric acid (iii) acid 'Y' is Nitric
acid *
O (i) and (ii)
O (i) and (iii)
O Only (1)
O Only (ii)​

Answer 1

Answer:

Answer is

option O (i) and (iii)