On the basis of the above Activity, what do you infer about the nature of mixture (a) and (b). A. (a) is colloid and (b) is solution. B. (a) is solution and (b) is also a solution. C. (a) is colloid and (b) is also a colloid, D. (a) is solution and (b) is colloid. Check my top fóllowing manish
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IM
To prepare
A true solution of common salt, sugar and alum.
A suspension of soil, chalk powder and fine sand in water.
A colloidal solution of starch in water and egg albumin in water and distinguish between these on the basis of
transparency
filtration
stability.
MATERIALS REQUIRED
Test tubes, beakers, water, common salt, sugar, alum, soil, chalk powder, fine sand, egg albumin, starch, funnel, glass rod, filter pap
OBSERVATION TABLE
cbse-class-9-science-practical-skills-solution-colloids-suspension-1
cbse-class-9-science-practical-skills-solution-colloids-suspension-2
cbse-class-9-science-practical-skills-solution-colloids-suspension-3
cbse-class-9-science-practical-skills-solution-colloids-suspension-4
RESULTS
Beaker A – Common salt forms a true solution in water.
Beaker B – Sugar forms a in water.
Beaker C – Alum forms a in water.
Beaker D – Soil forms a in water.
Beaker E – Chalk Powder forms a in water.
Beaker F – Fine sand forms a in water.
Beaker G – Starch forms a in water.
Beaker H – Egg albumin forms a in water.
PRECAUTIONS
Distilled water should be used.
The components should be mixed in small amounts.
Fold the filter paper properly and moisten it before use.
Glass rod should be clean.
Wash your hands properly with soap after experiment.
brainliest pls
Explanation:
mere ko bhi cha yie tha-nks
Answer:-
Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field.
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