Question Text
Question 1 :
<span>A synthetic material used for washing clothes, even when water is hard is:<br/></span>
Question 5 :
Which of the following is not true of a detergent molecule?
Question 11 :
Detergents are made usually from products obtained by cracking of petroleum, like:
Question 15 : Statement: Detergents give scum with hard water.<div><br/></div><div>State whether the given statement is true or false.</div>
Question 16 :
Soaps are sodium salts of fatty acids, RCOONa; e.g. $C_{17}H_{35}COO^-Na^+$. It gives an insoluble precipitate / layer with
Question 18 :
Lauryl alcohol on treatment with $H_2SO_4$ followed by neutralisation forms a product which is:
Question 20 :
Assertion: Synthetic detergents can lather well in hard water.
Reason: Synthetic detergents form soluble calcium and magnesium salts with hard water.
