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ICSE Class 10 Chemistry 2022 Paper

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SECTION - I
Choose the correct answers to the questions from the given options.
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Question : 4 of 55
Marks: +1, -0
The acid which is least volatile is :
Solution:  
(d) Concentrated sulphuric acid (H2SO4)(\mathrm{H}_2\mathrm{SO}_4)
Explanation :
Concentrated sulphuric acid has a high boiling point (338∘C)(338^{\circ}\mathrm{C}) and so it is considered to be a less-volatile acid, therefore, used in preparing volatile acid.
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