Hydrogen finds application in the preparation of vanaspathi from vegetable oils. Give the chemistry behind this.

Dalda available in the maet is prepared from vegetable oil. Write the science behind it.

i. Dalda available in the market is prepared from vegetable oil. Write the science bèhind it.

Hydrogen perioxide can be prepared from

Give the equations of reactions for the preparation of phenol from cumene.

Rain water and sea water differ in their behaviour towards soap. Give the difference and establish the chemistry behind this.

i) Rain water and séa, water differ in their behaviour towards soap. Give the difference and establish the chemistry behind this. ii) A water boiler in a factory burst due to high interior pressure. It was reported that the incident was occured due to certain dissolved salt in water used, As a chemistry student how will you explain this?

A few drops of NaOH solution are added to orange red potassium dichromate solution, colours changes to yellow:- To this yellow coloured solution,dilute HCI is added. Orange red colour reappears. Give the chemistry behind this.

Describe the industrial use of hydrogen which depends on its ability to react with vegetable oil in the presence of a catalyst.