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प्रश्न
Write a balanced equation for the following word equation:
Aluminium + Oxygen → Aluminium oxide
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उत्तर
4Al + 3O2 → 2Al2O3
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संबंधित प्रश्न
What do you understand by endothermic reactions?
Balance the following equation. Also name the product formed.
`"CO" + "O"_2 → " CO"_2`
Write the chemical equation for the following word equation and balance them.
Carbon + Oxygen → Carbon dioxide
Balance the following equation:
S + H2SO4 → SO2 + H2O
Define: Endothermic reaction
Write word equation for the following molecular equation:
Na2SO3 + 2HCl [dil.] → 2NaCl + H2O + SO2 [g]
Write word equation for the following molecular equation:
AgN03 + HCI → HNO3 + AgCl ↓
Word equation:
State whether AgCl is soluble or insoluble in HN03.
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Pressure
Balance the following chemical equation.
- Na + O2 → Na2O3
- Ca + N2 → Ca3N2
- N2 + H2 →NH3
- CaCO3 +HCl → CaCl2 + CO2 +H2O
- Pb(NO3)2 → PbO + NO2 + O2
Dil. HCl is added to Zn granules. How will you prove that chemical change has taken place here? Support your response with two arguments.
