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62. On adding...

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62. On adding which of the following,the pH of 20 ml of 0.1N HCl will not alter? a)20 ml of distilled water b)1ml of .1N NaOH c)500 ml 0f HCl of Ph=1 d)1 ml of 1N HCl

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75 m l

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25 m l

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Q. Heat liberated with 100 ml of 1 N NaOH is neutralised by 300 ml of 1N HCl :

Q. The following solutions were prepared by mixing different volumes of NaOH and HCl of different concentrations
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\frac{M}{10}

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