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प्रश्न
Give a chemical test to distinguish between the following gases.
NH3 and SO2
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उत्तर
| Ammonia (NH3) | Sulphur dioxide (SO2) | |
| Litmus test | Moist red litmus blue. | Moist blue litmus red. |
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संबंधित प्रश्न
What are the characteristics of a chemical reaction ? A chemical reaction is characterised by an irreversible change in which a new substance is formed.
What is the reaction called when oxidation and reduction take place simultaneously? Explain with one example.
Give an example of a reaction where the following are involved
Heat
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
Select the correct answer for the following options:
The gas which reacts with oxygen to give a neutral liquid.
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A coloured substance which leaves a black residue and evolves two gases one of which is acidic and coloured and the other neutral and colourless.
State the following reaction represent oxidation or reduction.
\[\ce{Ag->Ag+}\]
The chemical change is ______.
_____ is the basic material to manufacture urea.
Beating an egg to make a cake is a ______.
