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प्रश्न
Give an example of a reaction where the following are involved
Pressure
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उत्तर
\[\ce{N2 + 3H2 ⇌[][Above 200 atm] 2NH3}\]
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संबंधित प्रश्न
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Reduction reaction is the exact opposite of
- displacement reaction
- decomposition reaction
- oxidation reaction
- none of these
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
Give reason for the following:
Electrolytic decomposition of water is a reaction involving change of state.
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 on strong heating a black residue and evolves two colourless gases one of which is acidic and the other neutral.
Give balanced equation for the following conversion affected by heat alone on the substance:
Copper nitrate to nitrogen dioxide
A chemical reaction is often accompanied by external indications or characteristics.
What is the use of indicator?
Give two examples for the following case:
Chemical changes
The chemical formula of rust is ______.
The reaction of H2 gas with oxygen gas to form water is an example of ______.
