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
Assertion: A catalyst is more effective in finely divided form. Reason: Finely divided form has more surface area.
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 contains STATEMENTS-1 (Assertion) and STATEMENT -2 (Reason). Examine the statements carefully and mark the correct answer according to the instructions given below: STATEMENT-1: The plot of k versus 1/T is linear. STATEMENT-2: k=A.e^(-E_(a)//RT)
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.
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: Gold sol is multimolecular and hydrophotic in nature. STATEMENT-2: Gold sol is prepared by Bredig's arc method.
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 : TRUESTAMENT-1: More heat evolved in physiorpiton than in chemisorption. STATEMENT-2: Molecules of adsorbate and adsorbent are held by van der Waal's forces in physisorption and by chemical bonds in chemisorption.
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.
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
NARENDRA AWASTHI-SURFACE CHEMISTRY-Level 3 - Assertion - Reason Type Questions
