Advertisements
Advertisements
प्रश्न
Which among the following change is exothermic or endothermic in nature?
Dilution of sulphuric acid
Advertisements
उत्तर
Exothermic
APPEARS IN
संबंधित प्रश्न
Balance the following equation:
CO + O2 → CO2
Write your observations and name the product when
Zinc reacts with dilute hydrochloric acid.
Write balanced chemical equation for the following word equation:
Magnesium + dil. sulphuric acid → Magnesium sulphate + hydrogen
Write a balanced molecular equation for the following word equation:
\[\ce{Lead nitrate + sodium chloride->Sodium nitrate + lead chloride}\]
Balance the following equation:
\[\ce{Al + H2SO4->Al2(SO4)3 + H2}\]
Balance the following equation:
\[\ce{NO + O2->NO2}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{2Al + 2H2SO4->Al2(SO4)3 + 3H2}\]
Balance the following important equation:
Al2O3.2H2O + NaOH → NaAlO2 + H2O
Balance the following important equation:
\[\ce{Al(OH)3 -> Al2O3 + H2O}\]
Balance the following important equation:
ZnS + O2 → ZnO + SO2
Balance the following important equation:
Pb(NO3)2 + HCl → PbCl2 + HNO3
Balance the following important equation:
\[\ce{Pb3O4 + HCl -> PbCl2 + H2O + Cl2}\]
Balance the following important equation:
NH4OH + H2SO4 → (NH4)2SO4 + H2O
Balance the following important equation:
C + HNO3 (conc.) → CO2 + H2O + NO2
Balance the following important equation:
Cu + H2SO4 (conc.) → CuSO4 + H2O + SO2
When ferrous sulphate is heated strongly it undergoes decomposition to form ferric oxide as a main product accompanied by a change in colour from:
Which one of the following processes involve chemical reactions?
Complete the missing component /variable given as x and y in the following reactions :
`"Pb"("NO"_3)_2("aq") + 2"Kl"("aq") -> "Pbl"_2(x) + 2"KNO"_3("y")`
Ferrous sulphate decomposes with the evolution of a gas having a characteristic smell of burning sulphur. Write the chemical reaction involved and identify the type of reaction.
What information is not conveyed by a balanced chemical equation?
