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प्रश्न
What is a decomposition reaction?
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उत्तर
A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances. The general form of a decomposition reaction is:
AB → A + B
Most decomposition reactions require an input of energy in the form of heat, light, or electricity.
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संबंधित प्रश्न
State the type of reactions for the following represent and balance the ones that are not balanced.
2HgO → 2Hg + O2
Give an example of double displacement reaction, where a gas is evolved.
Define the following type of chemical change or reaction with a suitable example.
Direct combination reaction or synthesis
Give a balanced equation for the following reaction of synthesis involving the formation of:
A salt – from a trivalent metal and a coloured gas.
Give a balanced equation for thermal decomposition of ammonium dichromate
Name a metallic oxide which on thermal decomposition is reduced to metal.
Give a balanced equation for the preparation of two different insoluble lead salts from their salt solutions by double decomposition precipitation.
Complete the statement by filling in the blank with the correct word:
Formation of hydrogen chloride from hydrogen and chlorine is an example of __________.
Differentiate between the following:
Synthesis reaction and a substitution reaction.
Differentiate between the following:
Decomposition reaction and a double decomposition reaction.
