Class 12th

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New answer posted

3 months ago

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A
alok kumar singh

Contributor-Level 10

Electrophoresis : The migration of colloidal particles under the influence of an electric field is known as electrophoresis.

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3 months ago

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A
alok kumar singh

Contributor-Level 10

Element

V

Ti

Mn

Sc

DaH/kJ mol–1

515

473

281

326

New answer posted

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A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

 

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alok kumar singh

Contributor-Level 10

For a first order reaction.

   = 3*10-3 S-1

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Swayam Gupta

Contributor-Level 8

If a solution containing more than 0.9% salt is used, and we place blood cells in it, the water will flow out of the cells, and they will shrink. Such a solution is a hypertonic solution.

Similarly, if a solution contains less than 0.9% salt, the water will flow into the cells, and they will enlarge. 

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Swayam Gupta

Contributor-Level 8

When more solute can be dissolved in a solution at a constant temperature, it is an unsaturated solution.

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Swayam Gupta

Contributor-Level 8

When no more solute can be dissolved in a solution at a constant temperature and pressure, it is called a saturated solution.

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alok kumar singh

Contributor-Level 10

2-chloro-4-methylanisole

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alok kumar singh

Contributor-Level 10

Percentage Br = 80*0.094/188*0.16*100=25%

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