Question

Q2. Anita got a powdered form of a salt from the market. She added the salt to water while heating to obtain the super saturated solution of the salt. She transferred the solution to another glass and dipped a thread tied to a rod into it. She left the setup undisturbed for two days.
a) What will Anita observe after two days?
b) Name the process Anita performed with the salt.
c) State the importance of this process.

Answer 1

Answer:

When sulphur is heated in air it produce sulphur dioxide SO2 .(a)(i) SO2 gas is neutral in nature and thus there will be no change in colour of dry ...