Back to SURFACE CHEMISTRY
JEE CHEMISTRY MCQ: SURFACE CHEMISTRY
1
Medium
1 of 1
Application
+4 | -1
On adding 1 mL of solution of 10% NaCl to 10mL of gold sol in the presence of 0.25g of starch, the coagulation is just prevented. The gold number of starch is
View answer and explanation
Correct option: D
250
Option D (250) is correct because the gold number is the mass in milligrams of the protective colloid that prevents coagulation.
More Questions from SURFACE CHEMISTRY
Practice All Chapter MCQs →
Egg albumin is :
Alumns purify muddy water by
Which of the following reaction is an example for homogeneous catalysis?
Four gases, A, B, C and D have critical temperatures and respectively
For their adsorption on a fixed amount of charcoal, the correct order is : Negatively charged sol is formed in peptisation of Intensity of the scattered light depends on the difference between ______ of dispersed phase and dispersion medium
For their adsorption on a fixed amount of charcoal, the correct order is : Negatively charged sol is formed in peptisation of Intensity of the scattered light depends on the difference between ______ of dispersed phase and dispersion medium