Balance the following chemical equations. (a) HNO3 + Ca(OH)2 → Ca(NO3)2 + H2O (b) NaOH + H2SO4 → Na2SO4 + H2O (c) NaCl + AgNO3 → AgCl + NaNO3 (d) BaCl2 + H2SO4 → BaSO4 + HCl
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
(a) 2HNO3 + Ca(OH)2 → Ca(NO3)2 + 2H2O
(b) 2NaOH + H2SO4 → Na2SO4 + 2H2O
(c) NaCl + AgNO3 → AgCl + NaNO3
(d) BaCl2 + H2SO4 → BaSO4 + 2HCl
Suggested Q&A
Science · Class 10- ScienceClass 10What is hybridization? What are its types, with an example?
- ScienceClass 10Explain the following terms with one example each. (a) Corrosion (b) Rancidity
- ScienceClass 10Why are decomposition reactions called the opposite of Combination reactions? Write equations for decomposition reactions.
- ScienceClass 10What is meant by exothermic and endothermic reactions? Give examples.
- ScienceClass 10Write a balanced chemical equation for the following and identify the type of reaction of each case. KBr + BaI2 → KI + BaBr2 ZnCO3 → ZnO + CO2 H2 + Cl → HCl Mg + HCl → MgCl2 + H2
- ScienceClass 10Write the balanced chemical equation for the following reactions. Calcium hydroxide + Carbon dioxide —-> Calcium carbonate + Water Zinc + Silver nitrate —-> Zinc nitrate + Silver Aluminium + Copper chloride —-> Aluminium chloride + Copper Barium chloride + Potassium sulphate —-> Barium sulphate + Potassium chloride
- ScienceClass 10Translate the following statements into chemical equations and balance them. (a) Hydrogen gas combines with nitrogen to form ammonia. (b) Hydrogen sulphide gas burns in the air to give water and sulphur dioxide. (c) Barium chloride reacts with aluminium sulphate to give Aluminium chloride and a precipitate of barium sulphate. (d) Potassium metal reacts with water to give potassium hydroxide and Hydrogen gas.
- ScienceClass 10What is a balanced chemical equation? Why should a chemical equation be balanced?
- ScienceClass 10What happens when dilute hydrochloric acid is added to iron fillings? Tick the correct answer. 1. Hydrogen gas and Iron chloride are produced. 2. Chlorine gas and Iron hydroxide are produced. 3. No reaction takes place. 4. Iron salt and water are produced.
- ScienceClass 10Fe2O3 + 2Al → Al2O3 + 2Fe The above reaction is an example of a 1. Combination reaction 2. Double displacement reaction 3. Decomposition reaction 4. Displacement reaction