MEDIUM
10th CBSE
IMPORTANT
Earn 100

Which of the chemical reaction represents the reaction between zinc and hydrochloric acid.

50% studentsanswered this correctly
Important Questions on Metals and Non-metals
EASY
10th CBSE
IMPORTANT

EASY
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT
(i) Zinc surface become dull and black.
(ii) A gas evolved which burn with a pop sound.
(iii) The solution remained colourless.

MEDIUM
10th CBSE
IMPORTANT

EASY
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT
Four students of a practical group a, b, c, d were assigned the experiment of reaction of iron nails with copper sulphate separately, which one of the students of group recorded all the correct observations.
Student Initial colour of solution. Final colour of solution.

HARD
10th CBSE
IMPORTANT
