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Chemistry-day-8 is-matter-pure-questions Target ssc cgl 2018

Chemistry-day-8 is-matter-pure-questions Target ssc cgl 2018

Chemistry-day-8 is-matter-pure-questions Target ssc cgl 2018

Q1. A mixture of water and alcohol can be separated by

(a)Filtration

(b)Evaporation

(c)Decantation

(d)Distillation

Q2. An emulsifier is an agent which

(a)stabilises an emulsion

(b)aids the flocculation of an emulsion

(c)accelerates the dispersion

(d)homogenizes an emulsion

Q3. Milk is a natural

(a)Solution

(b)Emulsion

(c)Colloid

(d)Suspension

Q4. Candle is a mixture of

(a)Paraffin was and stearic acid

(b)Bees wax and stearic acid

(c)Higher fatty acids and stearic acid

(d)Bees wax and paraffin wax

Q5. Cement is formed by strongly heating a mixture of

(a)limestone and graphite

(b)limestone and clay

(c)chalk and graphite

(d)clay and graphite

matter-pure-questions
Q6. An emulsion is a colloid of a

(a)gas in a liquid

(b)liquid in a liquid

(c)liquid in a gas

(d)gas in a solid

Q7. Which halide is used in making sensitive emulsion on photographic film?

(a)Sodium chloride

(b)Silver bromide

(c)Silver iodide

(d)Silver chloride

Q8. Milk is a colloidal system in which:

(a)Water is dispersed in fat

(b)Fat is dispersed in water

(c)Fat and water are dispersed in each other

(d)Fat is dissolved

Q9. A substance which readily forms colloidal solution in contact with water is called

(a)Extrinsic colloid

(b)Associated colloid

(c)Hydrophobic colloid

(d)Hydrophilic colloid

Q10. Which one of the following is an example of a gel?

(a)Cheese

(b)Ice cream

(c)Face cream

(d)Shaving cream

matter-pure-questions
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