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प्रश्न
Write word equation for the following skeletal equation:
\[\ce{Na + O2 -> Na2O}\]
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उत्तर
\[\ce{Sodium + Oxygen -> Sodium oxide}\]
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संबंधित प्रश्न
On what basis is a chemical equation balanced?
With the help of an appropriate example, justify that some of the chemical reactions are determined by the evolution of a gas.
Give a chemical equation for the reaction involved in the above case.
Name the various types of chemical reactions.
Balance the equation stepwise.
H2S2O7(l) + H2O(l) → H2SO4(l)
Balance the following equation:
H2O + Cl2 → HCl + O2
Define: Endothermic reaction
Representation of the results of a chemical change – is a chemical equation.
For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓
Answer the following:
Name the reactants and the products in the above equation.
Which of the following statements about the given reaction are correct?
`3"Fe"("s") + 4"H"_2"O"("g") -> "Fe"_3"O"_4("s") + 4"H"_2("g")`
- Iron metal is getting oxidised
- Water is getting reduced
- Water is acting as reducing agent
- Water is acting as oxidising agent
A student took a small amount of copper oxide in a conical flask and added dilute hydrochloric acid to it with constant stirring. He observed a change in colour of the solution.
- Write the name of the compound formed and its colour.
- Write a balanced chemical equation for the reaction involved.
Dil. HCl is added to Zn granules. How will you prove that chemical change has taken place here? Support your response with two arguments.
