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प्रश्न
State the inference drawn from the following observations:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.
उत्तर
Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Hence, salt S is copper sulphate.
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संबंधित प्रश्न
Write balanced chemical equations to show The dehydrating property of conc. Sulphuric acid with sugar.
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Why is \[\ce{H2SO4}\] is not used as a drying agent for \[\ce{H2S}\]?
Name the following :
The precipitate obtained by treating aqueous lead nitrate with dilute sulphuric acid.
Give reason for the following:
When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
How are the following conversion brought about? Give equation and condition:
Sodium chloride to hydrogen chloride.
How will you distinguish between dilute H2SO4 and conc. H2SO4 ?
Copy and complete the following table.
Column 3 has the names of gases to be prepared using the substance you enter in column 1, along with dilute or concentrated sulphuric acid, as indicated in column 2.
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write the equation for the laboratory preparation of :
(i) Sodium sulphate using dilute sulphuric acid.
(ii) Lead sulphate using dilute sulphuric acid.
Give balanced chemical equation to prepare the following salt:
Lead sulphate from lead carbonate
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
What is the property of sulphuric acid that makes it a suitable reagent for the reaction?
