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Science TNSB Mentoring
Class 10 Crash course
Types of chemical reactions
Classification of chemical reactions
7.
Double displacement reaction
Question:
3
m.
Answer the following question breifly:
Explain neutralisation reaction with examples.
When
the molecule is dissociated by absorbing heat
two aqueous solutions react and an insoluble solid is formed
more than two compounds react to form single product
an acid reacts with a base to form salt and water
, the reaction is called a neutralisation reaction, and it is a type of
decomposition reaction
displacement reaction
double displacement reaction
combination reaction
.
Example:
\(HNO_{3(aq)} + NH_4OH_{(aq)} → NH_4NO_{3(aq)} + H_2O_{(l)}\)
\(Zn_{(s)} + 2HCl_{(aq)} → ZnCl_{2(aq)} + H_{2(g)}\)
\(ZnCO_{3(s)} + Heat→ ZnO_{(s)} + CO_{2(g)}\)
\(Na_2SO_{4(aq)}+BaCl_{2(aq)}→BaSO_{4(s)↓}+2NaCl_{(aq)}\)
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