Description : Among the following number of correct statements are : (i) Stability of lyophilic colloids is mainly due to the strong interaction between dispersed p
Last Answer : Among the following number of correct statements are : (i) Stability of lyophilic colloids is ... solution is lesser than that of dispersion medium.
Description : The protcting power of lyophilic colloidal solution is expressed in terms of
Last Answer : The protcting power of lyophilic colloidal solution is expressed in terms of A. Critical number B. ... number C. Coagulation value D. Gold number
Description : Assertion :- Lyophilic sol is more stable than lyophobic sol. Reason :- Lyophilic sol have greater solvation energy then lyophobic sol.
Last Answer : Assertion :- Lyophilic sol is more stable than lyophobic sol. Reason :- Lyophilic sol have greater ... D. If both Assertion & Reason are False.
Description : Assertion :- Lyophilic sol coagulate by adding other solvent. Reason :- Lyophilic sol are stable due to hydration energy.
Last Answer : Assertion :- Lyophilic sol coagulate by adding other solvent. Reason :- Lyophilic sol are stable due to ... D. If both Assertion & Reason are False.
Description : Lyophilic sol are
Last Answer : Lyophilic sol are A. Irreversible sols B. They are prepared from inorganic compound C. Coagulated by adding electrolytes D. Self-stabilizing
Description : Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special conditions changes into semi rigid mass, enclosing who
Last Answer : Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special ... . thixotropy C. double decompostion D. peptization
Last Answer : Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special ... B. synersis C. coagulation D. thixotropy
Last Answer : Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special conditions ... Calcium acetate C. Hair gel D. Cheese
Description : Which of the following is/are not true for lyophilic colloid ?
Last Answer : Which of the following is/are not true for lyophilic colloid ? A. These are prepared ... electrolyte is sufficient to cause precipitation of these.
Description : Gold number of some lyophilic sols are : Which has maximum protective power :
Last Answer : Gold number of some lyophilic sols are : Which has maximum protective power : A. I B. II C. III D. IV
Description : Distinguish between Lyophobic and Lyophilic sols.
Last Answer : Distinguish between Lyophobic and Lyophilic sols.
Description : Lyophilic Colloids
Last Answer : Lyophilic Colloids : Those colloids which are solvents loving or attracting they are reversible Sols.
Description : The protecting power of lyophilic colloidal sol is expressed in terms of (1) Oxidation number (2) Coagulation value (3) Gold number (4) Critical miscelle concentration
Last Answer : Gold number
Description : (a) Write one example for each of decomposion reaction carried out with help of (i) Electricity (ii) Heat (iii) Light (b) Which of the following statements is correct and why copper can displace silver from silver nitrate and silver can displace copper from copper sulphate solution. -Chemistry
Last Answer : Thi is the Answer:
Description : The pH value of 12 may be of an aqueous solution of 1. Sodium hydroxide 2. Lithium hydroxide 3. Sodium chloride 4. Hydrogen chloride The correct statements are: (a) 1 and 2 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4
Last Answer : Ans:(a)
Description : Cooking gas supplied in cylinders by gas agencies is 1. In the form of a liquid 2. In the form of a gas 3. A mixture of hydrocarbons 4. A heterogeneous solution The correct statements are: (a) 1 and 3 (b) 2 only (c) 3 and 4 (d) 1 and 4
Description : Consider the following statements and select the correct answer from the codes given below: 1. Viruses are obligate parasites and cannot be cultured on a synthetic medium 2. The red snow phenomenon observed in some alpine and arctic regions is ... (a) 1, 2 and 4 (b) 2 and 4 (c) 2 and 3 (d) 1 and 3
Last Answer : Ans:(d)
Description : .Which of the following statements is correct about an aqueous solution of an acid and of a base? (i) Higher the pH, stronger the acid (ii) Higher the pH, weaker the acid (iii) Lower the pH, stronger the base (iv) Lower the pH, ... (i) and (iii) (b) (ii) and (iii (c) (i) and (iv) (d) (ii) and (iv)
Last Answer : (d) (ii) and (iv)
Description : Pick up the correct statements from the following: (A) Cracks appear on the plastered surface in the form of hair cracks (B) In brick work, the efflorescence is removed by applying a solution ... Excessive thermal variations in the backing or plaster causes the plaster to fall (D) All the above
Last Answer : Answer: Option D
Description : Which of the following statements regarding the meaning of research are correct? (a) Research refers to a series of systematic activity or activities undertaken to find out the solution of a problem. (b) It is a systematic, logical and an ... and (c) (C) (b), (c) and (d) (D) (a), (c) and (d)
Last Answer : D