(a) What happens chemically when quick lime is added to water ?
(b) Balance the following chemical equation
Mn02 + HC1 —> MnC12+ C12 + Hp
(c) What is decomposition reaction ? Explain it with suitable example.
CBSE Class X Science LA (5 Marks)
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a vigorous reaction takes place when quicklime is added to water
the temperature of beaker increases
CaO+H2O=Ca(OH)2
b)MnO2+4HCl=MnCl2+2H2O +Cl2
c)reaction in which one component is break down into two or more.
ex:- 2H2O=2H2+O2
2FeSO4:-Fe2O3+SO2+SO3
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reefer to the attachment
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