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: A catalyst is more effective in finely divided form.
STATENENT-2: Finely divided form has more surface area.
A. if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT – 1
B. If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
C. If STATEMENT -1 is TRUE and STATEMENT is FALSE
D. If STATEMENT -1 is FALSE and STATEMENT -2 is TRUE

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: Size of suspension particles are smaller than collidal particles.
A. if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT – 1
B. If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
C. If STATEMENT -1 is TRUE and STATEMENT is FALSE
D. If STATEMENT -1 is FALSE and STATEMENT -2 is TRUE

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: A colloid gets coagulated by addition of an electrolytes.
STATEMENT-2: Coagulation depends on the valance and sign of the charge of the coagulant ion.
A. if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT – 1
B. If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
C. If STATEMENT -1 is TRUE and STATEMENT is FALSE
D. If STATEMENT -1 is FALSE and STATEMENT -2 is TRUE

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
A. if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT – 1
B. If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
C. If STATEMENT -1 is TRUE and STATEMENT is FALSE
D. If STATEMENT -1 is FALSE and STATEMENT -2 is TRUE

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. if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT – 1
B. If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
C. If STATEMENT -1 is TRUE and STATEMENT is FALSE
D. If STATEMENT -1 is FALSE and STATEMENT -2 is TRUE

each question constain STATEMENT-1(Assertion ) and STATEMENT – 2 (reason). examine the statement carefully and 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: Sky appears blue in colour.
STATEMENT-2: Colloidal particles of dust along with water suspended in air scatter blue light.
A. if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT – 1
B. If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
C. If STATEMENT -1 is TRUE and STATEMENT is FALSE
D. If STATEMENT -1 is FALSE and STATEMENT -2 is TRUE

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.
A. if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT – 1
B. If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
C. If STATEMENT -1 is TRUE and STATEMENT is FALSE
D. If STATEMENT -1 is FALSE and STATEMENT -2 is TRUE

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: ZSM-5 is a type of zeolites used as a catalyst in petrochemical industries.
STATEMENT-2: Zeolites are microporous aluminusilicates three dimensional network silicates in which some silicon atoms are replaced by aluminium atoms.
A. if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT – 1
B. If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
C. If STATEMENT -1 is TRUE and STATEMENT is FALSE
D. If STATEMENT -1 is FALSE and STATEMENT -2 is TRUE