Advertisements
Advertisements
प्रश्न
Translate the following statement into chemical equation and then balance it.
Hydrogen sulphide gas burns in the air to give water and sulphur dioxide.
Advertisements
उत्तर
\[\ce{H2S_{(g)} + O2_{(g)} -> H2O_{(l)} + SO2_{(g)}}\]
Balanced equation:
\[\ce{2H2S_{(g)} + 3O2_{(g)} -> 2H2O_{(l)} + 2SO2_{(g)}}\]
APPEARS IN
संबंधित प्रश्न
Why should a magnesium ribbon be cleaned before it is burnt in air?
Give one example of a chemical reaction.
Complete and balance the following equation:
CA (OH)2 + ............. 
CaCO3 + H2O
Balance the given equation:
NH3 + CuO 
Cu +N2 +H2O
Potassium chlorate (KClO3) on heating forms potassium chloride and oxygen. Write a balanced equation for this reaction and indicate the evolution of gas.
Rewrite the following information in the form of a balanced chemical equation:
Magnesium burns in carbon dioxide to form magnesium oxide and carbon.
Balance the following equation. Also name the product formed.
`"CO" + "O"_2 → " CO"_2`
State the information conveyed by the following equation:
Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2 ↑
Balance the following equation:
NaHCO3 → Na2CO3 + H2O + CO2
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 acid required.
Write word equation for the following molecular equation:
\[\ce{CaCO3 + 2HCl ->[\triangle] CaCl2 + H2O + CO2 [g]}\]
Word equation:
State which characteristic does [g] in the above reaction indicate. The word equation of:
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Light energy
Give word equation for the following chemical reaction and give the names of the product formed.
NH3 + HCl→ NH4Cl
Name the following:
The gas evolved when a dilute acid is added to chalk [limestone].
Give an example of a chemical equation in which two reactants form:
four product
Balance the following simple equation:
H2S + Cl2 → S + HCl
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
NaOH + CO2 → Na2CO3 + H2O
Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Balance the equation with proper coefficient and rewrite the equation.
