UPSC CDS 1 2023 GK Paper

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Question : 110 of 120
 
Marks: +1, -0
Consider the following statements :
While diluting concentrated nitric acid solution
1. the concentration of [H3O+] ions/ volume increases
2. water must be added slowly to concentrated acid
3. acid must be added slowly to water
Which of the statements given above is/are correct?
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