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Question (21)

QN006682

Which of the following is an example of colloid showing Tyndall effect?

(A) Air
(B) Vinegar
(C) Fog
(D) Alcohol

Correct Answer: C

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Question (22)

QN006683

The visible cone of light in foggy weather is due to:

(A) Diffusion
(B) Scattering of light
(C) Refraction
(D) Reflection

Correct Answer: B

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Question (23)

QN006684

A student passes light through starch solution and observes a visible path. The mixture is:

(A) True solution
(B) Colloid
(C) Compound
(D) Pure liquid

Correct Answer: B

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Question (24)

QN006685

Which factor mainly affects intensity of Tyndall effect?

(A) Colour of container
(B) Particle size
(C) Shape of vessel
(D) Taste of solution

Correct Answer: B

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Question (25)

QN006686

Tyndall effect helps in identifying:

(A) Metals
(B) Colloids
(C) Elements
(D) Compounds only

Correct Answer: B

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Question (26)

QN006687

Which of the following substances is least likely to scatter light?

(A) Smoke
(B) Fog
(C) Salt solution
(D) Milk

Correct Answer: C

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Question (27)

QN006688

The path of light in a colloid appears bright because light is:

(A) Absorbed
(B) Scattered
(C) Destroyed
(D) Bent fully

Correct Answer: B

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Question (28)

QN006689

In laboratories, Tyndall effect is commonly used to differentiate between:

(A) Metals and non-metals
(B) Solutions and colloids
(C) Solids and liquids
(D) Acids and bases

Correct Answer: B

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Question (29)

QN006690

A student shines light through three samples. Only one shows a visible beam. That sample is likely a:

(A) True solution
(B) Pure solvent
(C) Colloid
(D) Crystal

Correct Answer: C

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Question (30)

QN006691

Which everyday phenomenon is related to Tyndall effect?

(A) Formation of rainbow
(B) Visibility of sunrays in dusty room
(C) Melting of ice
(D) Rusting of iron

Correct Answer: B

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Question (21)

Which of the following is an example of colloid showing Tyndall effect?

Explanation:

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Question (22)

The visible cone of light in foggy weather is due to:

Explanation:

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Question (23)

A student passes light through starch solution and observes a visible path. The mixture is:

Explanation:

Link:

Question (24)

Which factor mainly affects intensity of Tyndall effect?

Explanation:

Link:

Question (25)

Tyndall effect helps in identifying:

Explanation:

Link:

Question (26)

Which of the following substances is least likely to scatter light?

Explanation:

Link:

Question (27)

The path of light in a colloid appears bright because light is:

Explanation:

Link:

Question (28)

In laboratories, Tyndall effect is commonly used to differentiate between:

Explanation:

Link:

Question (29)

A student shines light through three samples. Only one shows a visible beam. That sample is likely a:

Explanation:

Link:

Question (30)

Which everyday phenomenon is related to Tyndall effect?

Explanation:

Link:

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