Chemistry MCQ on Colloidal Dispersion for NEET, JEE, Medical and Engineering Exam 2021
MCQ on Colloidal Dispersion: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.
In this post we are providing you MCQ on Colloidal Dispersion, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.
MCQ on Colloidal Dispersion
Q1. ______ method is commonly used for destruction of colloid. c) Addition of electrolytes
a) Dialysis
b) Condensation
c) Addition of electrolytes
d) Filtration by animal membrane
Q2. The ability of an ion to coagulate a given colloid is dependent on the _______. d) both magnitude and charge
a) magnitude
b) charge
c) sign of the charge
d) both magnitude and charge
Q3. Which of the following compounds form micelles, if their concentration is increased in aqueous solution? a) Dodecyl trimethyl ammonium chloride
a) Dodecyl trimethyl ammonium chloride
b) Glucose
c) Urea
d) Pyridinium chloride
Q4. The diameter of particles in colloidal system is _______. d) 10-9 m to 10-6 m
a) 10-7 m to 10-5 m
b) 10-12 m to 10-9 m
c) 10-10 m to 10-4 m
d) 10-9 m to 10-6 m
Q5. The term used to determine the protecting power of a lyophilic colloid is _______. a) gold number
a) gold number
b) coagulation value
c) oxidation number
d) critical micelle concentration
Q6. The position occupied by non-polar hydrophobic and polar hydrophilic group in a micelle is _______. c) polar towards the outside and non-polar towards inside
a) both present only at the surface
b) both distributed throughout
c) polar towards the outside and non-polar towards inside
d) non-polar towards the outside and polar towards inside
Q7. Which of the following is an associated colloid? b) Soap
a) Starch
b) Soap
c) Proteins
d) Sol of gold
Q8. Fog is an example of which type of colloidal system? d) Solid in gas
a) Gas in gas
b) Liquid in gas
c) Gas in liquid
d) Solid in gas
Q9. If the concentration of surfactant molecules increases above the critical micelle concentration (CMC), then they _______. d) associate
a) become soluble
b) dissociate
c) decompose
d) associate
Q10. Which of the following properties of colloids does not depend on the charge on particles? c) Tyndall effect
a) Coagulation
b) Electrophoresis
c) Tyndall effect
d) Electro-osmosis
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