Advertisements
Advertisements
प्रश्न
Balance the following important equation:
C + HNO3 (conc.) → CO2 + H2O + NO2
Advertisements
उत्तर
C + 4HNO3 (conc.) → CO2 + 2H2O + 4NO2
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations for the following word equation:
Calcium oxide + water → Calcium hydroxide
Write the balanced equation for the following chemical reaction.
\[\ce{Sodium + Water -> Sodium hydroxide + Hydrogen}\]
Balance the following equation:
\[\ce{CaO + HCl->CaCl2 + H2O}\]
Balance the following important equation:
ZnO + NaOH → Na2ZnO2 + H2O
Balance the following important equation:
Fe + HCl → FeCl2 + H2
Balance the following important equation:
Cu + H2SO4 (conc.) → CuSO4 + H2O + SO2
In a chemical reaction between sulphuric acid and barium chloride solution the white precipitates formed are of:
Solid calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form a solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed?
- It is an endothermic reaction
- It is an exothermic reaction
- The pH of the resulting solution will be more than seven
- The pH of the resulting solution will be less than seven
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.
What information is not conveyed by a balanced chemical equation?
