Chemistry test series
Chemistry Mastery Quiz
Test your knowledge of key chemistry concepts with our engaging quiz! Designed for students and enthusiasts alike, this quiz covers a range of topics from adsorption to colloidal solutions.
Key Features:
- 12 multiple choice questions
- Instant scoring
- Enhance your understanding of chemistry
Which of the following statements regarding adsorption is not correct?
Extent of adsorption of gases charcoal increase with increase in pressure of ahe gas
Extent of chemisorption by a given mass of adsorption is limited
None of this above
All of this
The rate of chemisorption:
Decrease
Increase
Is dependent of pressure
None of this
A biological catalyst is essentially:
An enzyme
A carbohydrate
An amino acid
A nitrogenous base
Cloud is an example of:
Solid dispersed in gas
Liquid dispersed in gas
Liquid dispersed in solid
Solid dispersed in liquid
Which one among the following sols is hydrophobic?
Gum
Gelatin
Starch
Sulphur
Colloidal gold is prepared by:
Mechanical dispersion
Peptisation
Bredig's arc method
Hydrolysis
Which of the following ions is must effective in the coagulation of ferric hydroxide solution
Cl_
Br-
No²
SO❴
In freundlich adsorption isotherm , the value values of 1/n is
Between o and one in All cases
Between 2 and 4 in all cases
1 in case of physical adsorption
4 in case of chemisorption
The protecting power of lyophilic colloidal sol is ex-pressed in terms of
Coagulation value
Gold number
Critical misclle concentration
Oxidation number
Which of the following is incorrect for physisorption ?
Reversible
Increase with temperature
Low heat of adsorption
Increases with increase in surface area
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