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प्रश्न
Which among the following change is exothermic or endothermic in nature?
Dissolution of sodium hydroxide in water
उत्तर
Exothermic
APPEARS IN
संबंधित प्रश्न
Why do we need to balance chemical equation?
Differentiate between a ‘word equation’ and a ‘molecular equation’ with a suitable example.
Balance the following equation:
\[\ce{CaO + HCl->CaCl2 + H2O}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{Fe2O3 + 2H2->2Fe + 3H2O}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{FeS + 2HCl + 2FeCl2 + H2S}\]
Balance the following important equation:
Pb(NO3)2 + NaCl → NaNO3 + PbCl2
Balance the following important equation:
Fe2O3 + Al → Al2O3 + Fe
Which of the following is Not True with respect to the neutralisation reaction?
Write a balanced chemical equation of the following reaction and also classify them.
Lead acetate solution is treated with dilute hydrochloric acid to form lead chloride and acetic acid solution.
Complete and balance the following equation:
\[\ce{C2H4Br2 +alcoholic KOH ->[\Delta]}\]
