A Colloidal solution of starch is water and
egg
albumin / milk in water and distinguish
between there on the basis of transparency filtration
cool criterion stability, write its AIM, material
required, procedure and precautions
Answers
Answer: Aim
To prepare:
1.a true solution of common salt, sugar and alum in water.
2.a suspension of soil, chalk powder and fine sand in water.
3.a colloidal solution of starch in water and egg albumin in water and distinguish between these on the basis of:
a)transparency
b)filtration criterion
c)stability
Materials Required
Beakers (250 mL), an iron stand, a glass rod, bunsen burner, test tube stand, three funnels, three tripod stands, filter papers, a small torch and China dish.
Precautions
1.Use test tube holder for heating/boiling of water.
2.Do not waste the chemicals and distilled water. Use it wisely.
3.Always stir the contents in the test tube nicely and gently.
4.Use only distilled water to make solutions.
Answer:
To prepare:
1.a true solution of common salt, sugar and alum in water.
2.a suspension of soil, chalk powder and fine sand in water.
3.a colloidal solution of starch in water and egg albumin in water and distinguish between these on the basis of:
a)transparency
b)filtration criterion
c)stability
Materials Required
Beakers (250 mL), an iron stand, a glass rod, bunsen burner, test tube stand, three funnels, three tripod stands, filter papers, a small torch and China dish.
Precautions
1.Use test tube holder for heating/boiling of water.
2.Do not waste the chemicals and distilled water. Use it wisely.
3.Always stir the contents in the test tube nicely and gently.
4.Use only distilled water to make solutions.
Explanation:
hope it helps u...................