NEET 2020 Mock Test 03

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Number of Question 11 [id:d2mtneetp3]

5 amperes is passed through a solution of zinc sulphate for 40 minutes. What amount of zinc will get deposited at the cathode

5 points

1. 4.061 g

2. 4.065 g

3. 4.068 g

4. 4.059 g

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Solid sodium chloride is a bad conductor of electricity because

5 points

1. It contains only molecules

2. It does not possess ions

3. The ions present in it are not free to move

4. It does not contain free molecules

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Lead storage battery is an example of -

5 points

1. Secondary Cell

Primary Cell

3. Fuel Cell

4. Both B and C

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What is the most convenient method of protecting the bottom of ship made of iron?

5 points

1. Connecting it with Mg block

2. White Tin Plating

3. Connecting it with Pb block

4. Coating it with red lead oxide

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The conductivity of strong electrolyte -

5 points

1. Increase on dilution slightly

2. Decrease on dilution

3. Does not change with dilution

4. Depends upon density of electrolytes itself

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On passing 3 amperes of electricity for 50 minutes, 1.8 gram metal deposits. What will be the equivalent mass of metal

5 points

1. 19.3

2. 19.0

3. 18.9

4. 19.5

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How many faradays are required to generate one gram atom of magnesium from magnesium chloride

5 points

1. 1

2. 2

3. 3

4. 4

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Which of the following metal does not react with the solution of copper sulphate?

5 points

1. Mg

2. Ag

3. Fe

4. Zn

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The highest electrical conductivity of the following aqueous solution is of

5 points

1. 0.1 M Acetic Acid

2. 0.1 M Chloroacetic Acid

3. 0.1 M Fluoroacetic Acid

4. 0.1 M Difluoroacetic Acid

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When a piece of ferromagnetic substance is put in a uniform magnetic field, then the flux density inside it is four times the flux density away from the piece. Then what would be the magnetic permeability of the material?

5 points

1. 1

2. 2

3. 3

4. 4

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The electrolytic conductance is a direct measure of

5 points

1. Potential

2. Resistance

3. Concentration

4. Dissociation

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