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General Science Chemistry

Physical and Chemical Changes, Solution

24 questions

English हिन्दी
24 questions
11 Physical and Chemical Changes, Solution Easy
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Milk is an example of
12 Physical and Chemical Changes, Solution Easy
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Which of these is not a colloid
13 Physical and Chemical Changes, Solution Easy
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Which type of colloidal system is expressed in the fog
14 Physical and Chemical Changes, Solution Easy
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If an unsaturated sugar solution is prepared by mixing 100 grams of sugar with half litre of water, which of the following physical quantities will not change?
15 Physical and Chemical Changes, Solution Easy
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Water passes from the soil into the roots by a physical process called
16 Physical and Chemical Changes, Solution Easy
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After cutting cucumber if salt is added, then water comes out due to
17 Physical and Chemical Changes, Solution Easy
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Which one of the following processes is NOT useful for purification of solid impurities?
18 Physical and Chemical Changes, Solution Easy
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The technique of chromatography is used to
19 Physical and Chemical Changes, Solution Easy
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Process of solid camphor into camphor vapour is called
20 Physical and Chemical Changes, Solution Easy
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A sample of any of the following substances disappears after sometime when exposed to air like camphor, naphthalene or dry ice. This phenomenon is called