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प्रश्न
Write a balanced chemical equation of the following reaction and also classify them.
Hydrogen sulphide gas reacts with oxygen gas to form solid sulphur and liquid water.
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उत्तर
`2"H"_2"S"("g") + "O"_2("g") -> 2"S"("s") + 2"H"_2"O"("l")` : Redox reaction
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संबंधित प्रश्न
Write the balanced equation for the following chemical reaction.
\[\ce{Hydrogen + Chlorine -> Hydrogen chloride}\]
Write a balanced chemical equation for the following word equation:
Iron + Chlorine → Iron (III) chloride
Balance the following equation. Also name the products formed.
Ag +S → `Ag_2 S`
Balance the following equation. Also name the products formed.
`Zn+ HCI → ZnCI _2 + H_2`
Balance the following equation. Also name the products formed.
`FeCI_2 + CI_2 → Fe CI_3`
State what is a balanced equation with a relevant example. Give a reason why an equation is balanced with reference to the law of conservation of matter.
Balance the following equation:
\[\ce{Al + O2->Al2O3}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{N2 + 3H2⇌NH3}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{ZnO + 3NaOH->Na2ZnO2 + H2O}\]\
Balance the following important equation:
Pb(NO3)2 + NaCl → NaNO3 + PbCl2
Balance the following important equation:
ZnO + NaOH → Na2ZnO2 + H2O
Balance the following important equation:
K2Cr2O7 + HCl → KCl + CrCl3 + H2O + Cl2
Balance the following important equation:
NH4OH + H2SO4 → (NH4)2SO4 + H2O
A chemical reaction does not involve:
Name the products formed when iron filings are heated with dilute hydrochloric acid.
In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?
Which of the following are combination reactions?
- `2"KClO"_3 overset("Heat")(->) 2"KCl" + 3"O"_2`
- `"MgO" + "H"_2"O" -> "Mg"("OH")_2`
- `4"Al" + 3"O"_2 -> 2"Al"_2"O"_3`
- `"Zn" + "FeSO"_4 -> "ZnSO"_4 + "Fe"`
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.
Write the balanced chemical equation for the following reaction
Copper sulphate on treatment with potassium iodide precipitates cuprous iodide (Cu2I2), liberates iodine gas and also forms potassium sulphate.
A magnesium ribbon is burnt in oxygen to give a white compound ‘X’ accompanied by emission of light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound ‘Y’.
- Write the chemical formulae of X and Y.
- Write a balanced chemical equations when X and Y are dissolved in water.
