Advertisements
Advertisements
प्रश्न
Correct and balance the following equation:
Ca + H2O
CaOH + H
Advertisements
उत्तर
The corrected and balanced equation read as follows:
Ca + 2H2O → Ca(OH)2 + H2
APPEARS IN
संबंधित प्रश्न
Why should a magnesium ribbon be cleaned before it is burnt in air?
What is a balanced chemical equation? Why should a chemical equation be balanced?
Translate the following statement into chemical equation and then balance the equation:
Carbon disulphide burns in air to give carbon dioxide and sulphur dioxide.
Balance the given equation:
H2O2
H2O + O2
Balance the given equation:
HNO3 + Ca(OH)2
Ca(NO3)2 + H2O
Balance the given equation:
BaCI2 + H2SO4
BaSO4 + HCI
What is a chemical equation? Explain with the help of an example.
State one characteristic of the chemical reaction which takes place when wax is burned in the form of a candle?
Balance the following equation:
Fe2O3 + CO → Fe + CO2
Write the balanced chemical equation of the following reaction.
potassium bicarbonate + sulphuric acid → potassium sulphate + carbon dioxide + water
Write the balanced chemical equation of the following reaction.
ammonia + oxygen → nitric oxide + water
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of salt formed.
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of acid required.
The chemical reactions in which heat is liberated are called endothermic reactions.
Define: Endothermic reaction
Name the following:
Two gases which react under pressure in presence of a catalyst at elevated temperatures to give a gaseous product.
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
NaCl + AgNo3 → AgCU ↓ + NaN03
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
\[\ce{2SO2 + O2 ⇌[V2O5][450°C] 2SO3}\]
Give a balanced equation by partial equation method, [steps are given below].
The reaction of excess ammonia with chlorine – Ammonia as a reducing agent
- Ammonia first reacts with chlorine to give hydrogen chloride and nitrogen.
- Hydrogen chloride then further reacts with excess ammonia to give ammonium chloride.
