Advertisements
Advertisements
Questions
Translate the following statement into chemical equation and then balance it.
Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
Potassium metal reacts with water to give potassium hydroxide and hydrogen gas. Write a balanced chemical equation for this reaction.
Advertisements
Solution
\[\ce{K_{(s)} + H2O_{(l)} -> KOH_{(aq)} + H2_{(g)}}\]
Balanced equation:
\[\ce{2K_{(s)} + 2H2O_{(l)} -> 2KOH_{(aq)} + H2_{(g)}}\]
APPEARS IN
RELATED QUESTIONS
Give one example of a chemical reaction.
Balance the given equation:
H2O2 
H2O + O2
Is Respiration an endothermic reaction or an exothermic reaction?
Write word equation for the following skeletal equation:
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Write your observation for the following chemical reaction and name the product formed :
When water is added to quick lime?
The step(s) necessary for determining the percentage of water absorbed by raisins is/are:
Explain the terms with examples.
Balanced equation
Balance the equation stepwise.
H2S2O7(l) + H2O(l) → H2SO4(l)
Write the chemical equation for the following word equation and balance them.
Carbon + Oxygen → Carbon dioxide
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. iron + sulphuric acid → ferrous sulphate + hydrogen.
Write the balanced chemical equation of the following reaction.
copper + nitric acid → copper nitrate + nitric oxide + water
Write the balanced chemical equation of the following reaction.
aluminium sulphate + sodium hydroxide → sodium sulphate + sodium meta aluminate + water.
A student mixes sodium sulphate powder in barium chloride powder. What change would the student observe on mixing the two powders? Justify your answer and explain how he can obtain the desired change.
Balance the following simple equation:
Zn + HCl → ZnCl2 + H2
Balance the following simple equation:
Fe2O3 + H2 → Fe + H2O
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
Na2SO3 + HCl → 2NaCl + H2O + SO2
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
2H2O + 2Cl2 → 2HCl + O2
Write scientific reason.
Adding zinc particles to a solution of copper sulphate makes the blue solution colorless.
