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प्रश्न
Write a balanced equation for the following word equation:
Potassium bicarbonate → Potassium carbonate + Water + Carbon dioxide
उत्तर
\[\ce{2KHCO3->[heat]K2CO3 + H2O + CO2}\]
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संबंधित प्रश्न
What does the symbol (aq) represent in a chemical equation?
Balance the given equation:
Mg(OH)2 + HCI MgCI + H2O
Balance the given equation:
Fe + O2 
Fe2O3
Name the type of chemical reaction shown by the following equation:
2Mg+ O2 → 2MgO
Write word equation for the following skeletal equation:
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Balance the following equation:
MnO2 + HCl → MnCl2 + H2O + Cl2
A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – mercury [II] oxide.
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
Na2SO3 + HCl → 2NaCl + H2O + SO2
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
Fe2O3 + 2H2 → 2Fe + 3H2O
Write scientific reason.
Adding zinc particles to a solution of copper sulphate makes the blue solution colorless.
