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प्रश्न
Name the anion present in the following compound:
Compound D, when warmed with dilute sulphuric acid, gives a gas that turns acidified dichromate solution green.
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उत्तर
SO32-
संबंधित प्रश्न
Name the products formed when hot and concentrated sulphuric acid reacts with Copper.
Name the following:
The precipitate obtained by treating aqueous barium chloride with dilute sulphuric acid.
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
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 equation for the laboratory preparation of the following salts, using sulphuric acid.
Sodium Sulphate from sodium carbonate.
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
An acid obtained from concentrated nitric acid on reaction with Sulphur ______.
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
