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प्रश्न
HCl, HNO3 and H2SO4 are formulae of three compounds. Which of these compounds has the highest boiling point and which has the lowest?
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उत्तर
HCl has higher boiling point where as sulphuric acid has lower boiling point.
संबंधित प्रश्न
Give reason for the following:
Red brown vapours are produced when concentrated sulphuric acid is added to hydrogen bromide.
Copy and complete the following table:
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Complete the following equations :
C + cons. H2SO4
How does sulphuric acid occur in nature?
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
Choose the current answer from the options given below :
Which of the following gas dissolves in H2SO4 to give alum?
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
(i) Hydrogen
(ii) Sulphur dioxide
(iii) Carbon dioxide
(iv) Zinc Carbonate (two steps required).
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sulphur.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the carbon.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the copper.
