Advertisements
Advertisements
प्रश्न
Give a chemical test to distinguish between the following gases.
H2 and CO2
Advertisements
उत्तर
| Hydrogen | Carbon dioxide |
| Litmus test: Neutral | Litmus test: Moist blue litmus faint red |
APPEARS IN
संबंधित प्रश्न
How do the following help in bringing about a chemical change?
light.
FILL IN THE BLANK
On reaction with sulphuric acid solution, barium chloride forms a white precipitate of ........ sulphate.
How is precipitate formation in a chemical reaction indicated?
Write a short note on the information derived from a balanced chemical equation.
Explain the following reaction with one suitable example of Decomposition reaction
Select the correct answer for the following options:
The pale blue precipitated obtained when copper [II] sulphate reacts with sodium hydroxide.
Complete the table given below.
| Flame test for calcium chloride | Acid used for flame test |
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Zinc carbonate.
Limestone contains ______ mainly.
The water we drink is a combination of hydrogen and oxygen.
