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प्रश्न
Balance the following simple equation:
ZnS + O2 → ZnO + SO2
उत्तर
2ZnS + 3O2 → 2ZnO + 2SO2
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संबंधित प्रश्न
The removal of oxygen from a substance is called:
(a) oxidation
(b) corrosion
(c) reduction
(d) rancidity
Balance the following chemical equation :
Na2CO3 + HCl → NaCI + H2O + CO2
Balance the following chemical equation :
Na20 + H20 → NaOH
Write your observation for the following chemical reaction and name the product formed :
When water is added to quick lime?
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of salt formed.
Answer the following question:
How do acids and bases react with each other? What is the name of the process? What product is obtained from these reactions?
Explain the term ‘chemical equation’.
Balance the following simple equation:
Zn + NaOH → Na2ZnO2 + H2
Balance the following simple equation:
NaHCO3 + H2SO4 → Na2SO4 + H2O + CO2
Write a balanced equation for the following word equation:
Potassium bicarbonate → Potassium carbonate + Water + Carbon dioxide
