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प्रश्न
Complete the following statement.
In the type of reaction called_______________, two compounds exchange their positive and negative radicals.
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उत्तर
In the type of reaction called Double decomposition , two compounds exchange their positive and negative radicals.
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संबंधित प्रश्न
Explain, giving one example of the following chemical changes:
Double decomposition
(a) Define the neutralization reaction with an example.
(b) Give a balanced equation for this reaction.
(c) Give three applications of neutralization reactions.
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.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc carbonate
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a yellow non-metal
Give a balanced equation for the following reaction of synthesis involving the formation of:
An acid – from sulphur dioxide gas
Give a balanced equation for the following reaction of synthesis involving the formation of:
An alkali – from a basic oxide – sodium oxide
Convert nitrogen to ammonia by a direct combination reaction.
Give a balanced equation for thermal decomposition of ammonium dichromate
Convert an insoluble base
