An example of intrinsic colloid is:

1. As2S3 sol                         

2. Fe(OH)3 sol

3. egg albumin                     

4. Au sol

Subtopic:  Colloidal Solution |
 69%
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Tails of comets are visible due to:

1. Tyndall effect

2. Reflection

3. Brownian motion

4. None of the above

Subtopic:  Colloidal Solution |
 74%
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Bleeding is stoped by the application of ferric chloride. This is because :

1. the blood starts flowing in the opposite direction

2. the blood reacts and a solid is formed which seals the blood vessel

3. the blood is coagulated and the blood vessel are sealed

4. the ferric chloride seals the blood vessel

Subtopic:  Colloidal Solution |
 83%
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Brownian movement is caused by:

1. Colloidal solution.

2. True solution.

3. Suspension having size <1000 mμ.

4. All of the above.

Subtopic:  Colloidal Solution |
 61%
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A dust storm is:

1. Dispersion of solid in gas

2. Dispersion of a gas in solid

3. Dispersion of solid in solid

4. Dispersion of a gas in liquid

Subtopic:  Colloidal Solution |
 86%
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Which is not a colloid?

1. Chlorophyll                                   

2. Egg white

3. Ruby glass                                   

4. Milk

Subtopic:  Colloidal Solution |
 71%
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Chemisorption is:

1. multimolecular in nature

2. reversible

3. often highly specific and directional

4. not very specific

Subtopic:  Adsorption and Absorption |
 85%
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The catalyst used in the lead-chamber process of sulphuric acid is:

1. platinum

2. nitric oxide

3. nickel

4. vanadium pentoxide

Subtopic:  Catalyst |
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Medicines are more effective if they are used in:

1. Colloidal state

2. Solid-state

3. Solution state

4. None of the above 

Subtopic:  Colloidal Solution |
 89%
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Hydrolysis of maltose (C12H22O11) by maltase gives:

1. glucose                         

2. fructose

3. both 1 and 2         

4. none of these

Subtopic:  Catalyst |
 63%
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