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प्रश्न
Write a balanced molecular equation for the following word equation:
\[\ce{Lead nitrate + sodium chloride->Sodium nitrate + lead chloride}\]
उत्तर
\[\ce{Pb[NO3]2 + 2NaCl->2NaNO3 + PbCl2}\]
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संबंधित प्रश्न
Why it is necessary to balance a chemical equation ?
State four conditions necessary for a chemical reaction to take place.
Balance the following equation. Also name the products formed.
`CO + O_2 → CO_2`
Balance the following equation. Also name the products formed.
`FeCI_2 + CI_2 → Fe CI_3`
Differentiate between a ‘word equation’ and a ‘molecular equation’ with a suitable example.
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + water->Calcium hydroxide + hydrogen}\]
Balance the following important equation:
NaOH + H2SO4 → Na2SO4 + H2O
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.
A solution of potassium chloride when mixed with silver nitrate solution, an insoluble substance is formed. Write the chemical reaction involved and mention the type of the chemical reaction.
What happens when a piece of
- zinc metal is added to copper sulphate solution?
- aluminium metal is added to dilute hydrochloric acid?
- silver metal is added to copper sulphate solution?
Also write the balanced chemical equation if the reaction occurs.
