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प्रश्न
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
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उत्तर
Balanced equation :
\[\ce{KHCO3 + H2SO4 -> K2SO4 + 2H2O + 2CO2}\]
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संबंधित प्रश्न
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.
Describe the reaction that show
Dilute sulphuric acid behaves as dibasic acid.
Give examples of the use of sulphuric acid as
Non-volatile acid
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Carbon dioxide
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.
A, B, C and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated. Choose the property (A, B, C or D), depending on which is relevant to each of the preparations (i) to (ii).
A. Dilute acid (typical acid properties)
B. Non-volatile acid
C. Oxidizing agent
D. Dehydrating agent
(i) Preparation of hydrogen chloride.
(ii) Preparation of ethane from ethanol
(iii) Preparation of copper sulphate from copper oxide.
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with sodium sulphite.
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
