When dilute sulphuric acid is added to granulated zinc placed in a test-tube, the observation made is :(1) the surface of the metal turns shiny(2) the reaction mixture turns milky(3) odour of sulphur dioxide is observed(4) a colourless and odourless gas evolves with bubbles

When dilute sulphuric acid is added to granulated zinc placed in a tes

1.	When dilute sulphuric acid is added to granulated zinc placed in a test-tube, the observation made is :(1) the surface of the metal turns shiny(2) the reaction mixture turns milky(3) odour of sulphur dioxide is observed(4) a colourless and odourless gas evolves with bubbles
Answer» When dilute sulphuric acid is added to granulated zinc placed in a test-tube, the observation made is : (1) the surface of the metal turns shiny (2) the reaction mixture turns milky (3) odour of sulphur dioxide is observed (4) a colourless and odourless gas evolves with bubbles