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प्रश्न
Balance the following important equation:
Na2CO3 + HCl → NaCl + H2O + CO2
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उत्तर
Na2CO3 + 2HCl → 2NaCl + H2O + CO2
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संबंधित प्रश्न
Write a balanced chemical equation for the following word equation:
Iron + Chlorine → Iron (III) chloride
Write balanced chemical equations for the following word equation:
Sodium + chlorine → Sodium chloride
Balance the following equation:
\[\ce{Pb3O4->PbO + O2}\]
Balance the following important equation:
NH3 + O2 → NO + H2O (catalytic oxidation of NH3)
Balance the following important equation:
NH3 + CuO → Cu + H2O + N2
Which of the following is true for an unbalanced chemical equation?
Which of the following is(are) an endothermic process(es)?
- Dilution of sulphuric acid
- Sublimation of dry ice
- Condensation of water vapours
- Evaporation of water
Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
- Iron (III) oxide reacts with aluminum and gives molten iron and aluminum oxide.
- Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride.
- Chlorine gas is passed in an aqueous potassium iodide solution to form potassium chloride solution and solid iodine.
- Ethanol is burnt in air to form carbon dioxide, water and releases heat.
Why do fire flies glow at night ?
Identify the types of reaction mentioned above. Give one example for type in the form of a balanced chemical equation.
