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What is protective colloid ?...

What is protective colloid ?

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What are protective colloids ? Define and explain gold number .

What are protective colloids? Define and explain gold number.

ONE WORD ANSWER QUESTION What are protective foods ?

One gram of a protective colloid 'X' is to be added to 200ml of gold sol to prevent coagulation of it when 20 ml of 10% NaCl is added. Calculate the gold number of protective colloid 'X'.

Gold numbers of protective colloids A,B, C and D are 0.50, 0.01, 0.10, and 0.005 respectively. The correct order of their protective power is

Gold numbers of protective colloids A,B, C and D are 0.50, 0.01, 0.10, and 0.005 respectively. The correct order of their protective power is

When 1.0 xx 10^(-5) mg of a protective colloid is added to 20 ml of standard gold sol, the precipitation of gold sol was prevented by adding 5 ml of 10% solution of NaCl. If the gold number of protective colloid is 2.0 x 10^(-x) mg then x is = __?

Gold numbers of four protective colloids A, B, C and Dare 0.5, 0.01,0.1 and 0.005 respectively. Arrange them in the correct order of their protective power.

Gold numbers of four protective colloids A, B, C and D are 0.5 , 0.01, 0.1 and 0.005 respectively. Arrange them in the correct order of their protective power.

Identify the correct statement from the foolowing. (i) In the oxidation of oxalic acid with KMnO_(4) in acid medium, Mn^(2+) acts as auto catalyst. (ii) CdS colloidal solution can be precipited by the addition of C1^(-) ions. (iii) The gold number of three protective colloids (A, B, C) is 0.03,25 and 0.25 respectively. Their protective power follows the order A gt C gt B. (iv) Physisorption is an irreversible process.