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प्रश्न
Give a chemical test to distinguish between the following gases.
NH3 and HCl
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उत्तर
| Ammonia | Hydrogen chloride |
| Litmus test: Moist red litmus blue. | Litmus test: Moist blue litmus paper red. |
APPEARS IN
संबंधित प्रश्न
Write true or false :
When potassium iodide solution is added to lead acetate solution a red precipitate is formed.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Electron ______ is complete in each hydrogen in a hydrogen molecule.
What do you observe when H2S is passed through a lead nitrate solution.
Select the correct answer for the following options:
The gas obtained when potassium chlorate is heated in the presence of a catalyst.
Complete the table given below.
| Flame test for calcium chloride | Acid used for flame test |
Differentiate between the following:
Neutralization reaction and a precipitation reaction.
______ is a natural indicator.
Rusting of iron is ______.
We are advised to not to play with fireworks. Give reason.
Collect information about the types of fuels used for cooking in your area. Discuss with your teachers/parents/others which fuels are less polluting and why.
