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प्रश्न
Water is never added to acid in order to dilute it why?
उत्तर
If water is added to a concentrated acid, the heat generated causes the mixture to splash out and cause severe burns, as it is an exothermic process. Thus, water is never added to acid to dilute it.
संबंधित प्रश्न
How will you test for the presence of this gas?
The indicator which produces a pink colour in an alkaline solution is:
(a) methyl orange
(b) turmeric paper
(c) phenolphthalein
(d) litmus paper
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Why is the direct addition of dilute sulphuric acid to Lead carbonate an impractical method of preparing Lead sulphate?
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Two acids ‘A’ and ‘B’ are given. Acid A gives one hydrogen ion per molecule of the acid in solution. Acid B gives two hydrogen ions per molecule of the acid in solution.
- Find out acid A and acid B.
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(i) Temperature of the solution decreases.
(ii) Temperature of the solution increases.
(iii) Temperature of the solution remains the same.
(iv) Salt formation takes place.
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Classify these solutions as neutral, slightly or strongly acidic and slightly or strongly alkaline.
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