Harshan has set up the following activity shown in the picture in the

1.	Harshan has set up the following activity shown in the picture in the chemistry laboratory.Three test tubes A, B and C are taken and an iron nail is placed in each of the test tube.Test tube A has iron nail half immersed in normal water, Test tube B has iron naildipped in boiled water and Test tube C has iron nail with a white coloured chemicalsubstance. Answer the following questions in context to the above activity:(a) What is Harshan trying to conclude from the above activity?(b) The white substance kept in test tube C, is a good absorbent of water. Name thechemical substance.(c) The iron nail present in which of the above test tubes will get rusted, if it is leftforfew days and why?(d) State why is boiling water taken in test tube B?
Answer» ANSWER: NHI PATA SORRY BHAI....

Harshan has set up the following activity shown in the picture in the chemistry laboratory.Three test tubes A, B and C are taken and an iron nail is placed in each of the test tube.Test tube A has iron nail half immersed in normal water, Test tube B has iron naildipped in boiled water and Test tube C has iron nail with a white coloured chemicalsubstance. Answer the following questions in context to the above activity:(a) What is Harshan trying to conclude from the above activity?(b) The white substance kept in test tube C, is a good absorbent of water. Name thechemical substance.(c) The iron nail present in which of the above test tubes will get rusted, if it is leftforfew days and why?(d) State why is boiling water taken in test tube B?

Answer»