Question

What are hydrocarbons? Write the name and general formula of (i) saturated hydrocarbons, (ii) unsaturated hydrocarbons, and draw the structure of one hydrocarbon of each type. How can an unsaturated hydrocarbon be made saturated?
OR
What are detergents chemically? List two merits and two demerits of using detergents for cleansing. State the reason for the suitability of detergents for washing, event in the case of water having calcium and magnesium ions.

Answer 1

what are hydrocarbon
ans . the compound which contain carbon and hydrogen as the only two elements are called hydrocarbon
saturated hydrocarbon:
ans.ethane and propane are saturated hydrocarbon ,ethane that is .C2H6
and propane that is C3H8
unsaturated :
propene C3 H6 and cyclohexene C6 H6
I hope this will help u