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प्रश्न
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Heat energy
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उत्तर
Heat Energy:
On heating the reactants – the reacting particles, collide swiftly and with greater intensity.
Example:
Heat on zinc carbonate:
\[\ce{ZnCO3 ->[\triangle] ZmO + CO2 [g]}\]
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संबंधित प्रश्न
Write the balanced chemical equation for the following reaction.
\[\ce{Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water}\]
Correct and balance the following equation:
\[\ce{Ca + H2O -> CaOH + H}\]
Balance the following equation:
Pb3O4 → PbO + O2
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of acid required.
Identify the type of reaction taking place of the following case and write the balanced chemical equation of the reaction:
Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide.
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Catalyst
Give reason for the following:
Silver salts are kept in dark coloured bottles.
Balance the following simple equation:
ZnS + O2 → ZnO + SO2
Balance the following simple equation:
Al + O2 → Al2O3
Balance the following simple equation:
NaOH + Cl2 → NaCl + NaClO + H2O
