each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below :
STATEMENT-1: The conversion of fresh precipitate to colloidal state is called peptization.
STATEMENT-2: It is caused by addition of common ions.

(A) Conversion of fresh precipitate to colloidal state is called peptization (R ) It is caused by the addition of common ions

Assertion:The conversion of fresh precipitate to colloidal state is called peptization. Reason: It is caused by adsorption of common ions.

each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Lyophilic colloids are called as reversible sols. STATEMENT-2: Lyophilic sols are extensively hydrated.

each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Lyophilic colloids are called as reversible sols. STATEMENT-2: Lyophilic sols are extensively hydrated.

each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Colloidal solutions are stable but colloidal particles do not settle down. STATEMENT-2: Brownian movement counters the force of gravity act on collooidal particles

each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Soap and detergent are macro-molecular colloids. STATEMENT-2: Soap and dtergent are molecules of large size.