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प्रश्न
Decomposition brought about by heat is known as thermal decomposition. What is the difference between thermal dissociation and thermal decomposition?
उत्तर
A decomposition reaction brought about by heat is known as thermal decomposition.
\[\ce{2HgO_(_s_) ->[\Delta] 2Hg_(_s_) + O2_(_g_)}\]
A simultaneous reversible decomposition reaction brought about only by heat is thermal dissociation.
NH4Cl ⇋ NH3 +HCl
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संबंधित प्रश्न
What is a decomposition reaction?
Decomposition reactions can occur by heat.
Give two balanced reactions for each.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Trilead tetroxide
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.
Convert nitrogen to ammonia by a direct combination reaction.
Define a displacement reaction with a suitable example.
Define the term – double decomposition – neutralization reaction.
State the double decomposition – neutralization reaction with a suitable representation.
Differentiate between the following:
Synthesis reaction and a substitution reaction.
