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Tyndall Effect

Which one of ...

Question

Which one of the following is most likely to exhibit Tyndall effect?

(a) sugar and water mixture (b) potash alum and water mixture

(c) chalk powder and water mixture (d) potassium permanganate and water mixture

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Solution

(c) chalk powder and water mixture

Chalk powder, when dissolved in water, shows Tyndall effect as it is a colloid. Mixtures of water show Tyndall effect, as they scatter a beam of light.

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Similar questions

Q. Which one of the following is most likely to exhibit Tyndall effect ?
(a) sugar and water mixture
(b) potash alum and water mixture
(c) chalk powder and water mixture
(d) potassium permanganate and water mixture

Q. Classify the following materials as homogeneous and heterogeneous mixtures.
(soda-water, wood, air, soil, petrol and water mixture, alcohol and water mixture, chalk and water mixture, sand and water mixture, sugar and water mixture, pumice stone, smoke, salt and water mixture, cough syrup, gun powder).

Q. Which of the following mixtures can be separated by filtration?
(a) a mixture of sand and chalk powder
(b) a mixture of chilli powder and water
(c) a mixture of salt and pepper
(d) a solution of glucose and water

(a) State the main points of difference between homogeneous and heterogeneous mixtures.

(b) Classify the following materials as homogeneous mixtures and heterogeneous mixtures :

Soda-water, Wood, Air, Soil, Vinegar, Alcohol and water mixture, Petrol and water mixture, Chalk and water mixture, Sugar and water mixture, Copper sulphate solution.

Q. Which of the following mixture cannot be separated by using water as the solvent ?
(a) copper sulphate and sand
(b) sand and potash alum
(c) sand and sulphur
(d) sugar and sand

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