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.
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
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: 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 solution is electrically neutral. STATEMENT-2: Due to similar nature of the charge carried by the dispersed phase particles, they repel each other and do not combine to form bigger particles.
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: Protein, starch are lyophilic colloids. STATEMENT-2: They have strong interaction with the dispersion medium.
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.
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.
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.
NARENDRA AWASTHI-SURFACE CHEMISTRY-Level 3 - Assertion - Reason Type Questions
