1.

Which of the following would not change the pH of 10 cm of dilute HCl when added to the acid ?

Answer»

` 5 cm^3` of PURE WATER
`20 cm^3` or purewater
`10 ,cm^3`of concHCI
`20cm^3` of samedil HCI

Solution :there is nochangein PHon mixingtwodilHCIsoiutionsofequalconcentrationin anyproportion


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