Question

Observe the following diagram and answer the questions:
a) Explain the colour change in test tube B.
b) The new colour of dip portion of the nail is because of deposition of
c) Name the type of reaction. d) Write a word reaction.
e) Will you observe the colour change if you add gold dust in test tube A? Why?

Answer 1

Answer:

Explanation:

Colour of tes tube sholud be white inorder to see the reaction