Class 9 Science
Class 9 science important questions with answers pdf
NCERT Solutions Class 9 Science
NCERT questions of science class 9
Important questions Science NCER
Class 9 Study 2022-2023
NCERT Class 9 Science
Give examples of colloidal solutions.
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(a) Blood, (b) Milk, (c) Starch solution, (d) Concentrated solution of soap.