Which of the following is the most effec...

Which of the following is the most effective in bringing about the coagulation of Ag `I//I^-` sol?

A

`NaNO_3`

B

`Na_2SO_4`

C

`Ca(NO_3)_2`

D

`AI_2(SO_4)_3`

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HIGHER SECONDARY EXAMINATION 2016
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