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प्रश्न
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 decomposes violently leaving a coloured residue and evolving two neutral gases one of which is unreactive or inert in nature.
उत्तर
Ammonium dichromate [orange] [NH] Cr2Or
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संबंधित प्रश्न
The reaction of iron nail with copper sulphate solution is ______ reaction.
Explain, giving one example of the following chemical changes:
Double decomposition
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{SO2 + 2H2O + Cl2->2HCl + H2SO4}\]
Define the following type of chemical change or reaction with a suitable example.
Displacement reaction or substitution reaction
Give a balanced equation for the following reaction of synthesis involving the formation of:
A salt – from a trivalent metal and a coloured gas.
Define a thermal dissociation reaction with a suitable example.
Give an example of a photochemical decomposition reaction.
Explain the term double decomposition precipitation reaction.
Complete the statement by filling in the blank with the correct word:
The neutral gas evolved when lead nitrate undergoes thermal decomposition is _________.
Give a balanced equation for the following type of reaction:
A thermal decomposition reaction of a salt – which results in the formation of nitrogen gas.
