Advertisements
Advertisements
प्रश्न
Balance the following equation:
Zn + HNO3 `→` Zn(NO3)2 + H2O + NO2
उत्तर
Zn + 4HNO3 `→` Zn(NO3)2 + 2H2O + 2NO2
APPEARS IN
संबंधित प्रश्न
Convey the following information in the form of a balanced chemical equation:
"An aqueous solution of ferrous sulphate reacts with an aqueous solution of sodium hydroxide to form a precipitate of ferrous hydroxide and sodium sulphate remains in solution."
Balance the following chemical equation:
MnO2 + HCI → MnCI2 + CI2 + H2O
Give one example of a chemical reaction characterised by formation of a precipitate.
Write symbolic representation for the following word equation and balance them :
Aluminium + Chlorine → Aluminium chloride.
Write the balanced chemical equation of the following reaction.
potassium dichromate + sulphuric acid → potassium sulphate + chromium sulphate + water + oxygen.
Answer the following question:
1 g of copper powder was taken in a China dish and heated. What change takes place on heating? When hydrogen gas is passed over this heated substance, a visible change is seen in it. Give the chemical equations of reactions, the name and the color of the products formed in each case.
CaCO3 + 2HCl[dil.] → CaCl2 + H2O + CO2 [g]
State the information not conveyed by the above chemical equation.
Complete the given chemical reaction.
\[\ce{CuSO_{4(aq)} + Fe_{(s)} ->}\]______ + ______
Write three steps of writing chemical equations with example?
Give the characteristic tests for the following gases :
- CO2
- SO2
- O2
- H2
