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प्रश्न
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
उत्तर
When 100ml of 98% sulphuric acid is kept in open it absorbs water vapours from atmosphere and its level goes up.
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संबंधित प्रश्न
Comment, sulphuric acid is referred to as Oil of vitriol.
What is the name given to the salts of sulphurous acid?
Copy and complete the following table:
| Column 1 Substance reacted with acid |
Column 2 Dilute or concentrated acid |
Column 3 Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on sodium hydroxide.
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Ferrous sulphate solution and ferric sulphate solution. (Using sodium hydroxide solution)
How will you distinguish between conc. HCl and conc. H2SO4?
Which property of sulphuric acid accounts for its use as a dehydrating agent?
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation. Each illustrates the above-mentioned properties of sulphuric acid.
The following are the typical properties of dilute acid. Complete them by inserting suitable words:
Sulphide + Acid → ______ + ______
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
