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प्रश्न
Complete the following sentence, choosing the correct word from the given options.
"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ____________ in comparison to these two acids."
विकल्प
less volatile
stronger
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उत्तर
"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is less volatile in comparison to these two acids."
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संबंधित प्रश्न
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.
Name the following:
Products obtained by treating ferrous sulphide with dilute sulphuric acid.
Name the following:
The precipitate obtained by treating aqueous barium chloride with dilute sulphuric acid.
Give reason for the following:
H2SO4 cannot be prepared by heating sodium sulphate with conc. HCl or HNO3
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
What would you see, when a crystal of CuSO4.5H2O is placed in concentrated sulphuric acid? Give reason to explain your observation.
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.
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
