Advertisements
Advertisements
प्रश्न
Give a chemical test to distinguish between the following gases.
HCl and H2S
Advertisements
उत्तर
| Hydrogen chloride | Hydrogen sulphide |
| Odour of gas: Pungent choking odour. | Odour of gas: Smell as of rotten eggs. |
APPEARS IN
संबंधित प्रश्न
The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder, it exists as a liquid. When it comes out from the cylinder it becomes a gas (Change − A), then it burns (Change − B). The following statements pertain to these changes. Choose the correct one.
What is the reaction called when oxidation and reduction take place simultaneously? Explain with one example.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Potassium fluoride
Give an example of the following chemical changes.
A reaction involving
(i) Change of state
(ii) formation of precipitate
Give one example electrochemical reaction.
Complete and balance the following reaction:
NaCl(aq) + AgNO3(aq) →
Distinguish by dilute sulphuric acid.
Copper and magnesium?
Give a balanced equation for a reaction involving the evolution of gas on the addition of dilute acid to sodium sulphite.
The chemical change is ______.
Define the following term:
Chemical change
