Dilute hydrochloric acid is added to granulated zinc taken in a test tube. The following observations are recorded. Point out the correct observation.
A. The surface of metal becomes shining
B. The reaction mixture turns milky
C. Odour of a pungent smelling gas is recorded
D. A colourless and odourless gas is evolved
Answer:D
Dilute hydrochloric acid is added to granulated zinc taken in a test tube. The following observations are recorded. Point out the correct observation.
A. The surface of metal becomes shining B. The reaction mixture turns milky C. Odour of a pungent smelling gas is recorded D. A colourless and odourless gas is evolved