Advertisements
Advertisements
प्रश्न
Balance the following simple equation:
NaHCO3 + H2SO4 → Na2SO4 + H2O + CO2
Advertisements
उत्तर
2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + 2CO2
APPEARS IN
संबंधित प्रश्न
Write the balanced chemical equation for the following reaction.
\[\ce{Zinc + Silver nitrate -> Zinc nitrate + Silver}\]
Balance the given equation:
BaCI2 + H2SO4
BaSO4 + HCI
Give one example of a chemical reaction characterised by formation of a precipitate.
A colourless lead salt, when heated, produces a yellow residue and brown fumes.
(a) Name the lead salt.
(b) Name the brown fumes.
(c) Write a chemical equation of the reaction involved.
Name the type of chemical reaction shown by the following equation:
Fe + CuSO4 → FeSO4 +Cu
A student weighed some raisins and recorded the weight as ‘x’. She then soaked the raisins in distilled water. After about 2 hours she removed the raisins, wiped them dry and weighed them again, and recorded that as ‘y’. The percentage of water absorbed by raisins may be determined using the relationship.
Balance the following equation:
KOH + Cl2 → KCl + KClO + H2O
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Electrical energy
\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
Give a reason why the above equation is balanced.
CaCO3 + 2HCl[dil.] → CaCl2 + H2O + CO2 [g]
State the information provided by the above chemical equation.
