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प्रश्न
Fill in the following blank with suitable word:
A solution made in water is known as an ........... solution and indicated by the symbol ...........
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उत्तर
A solution made in water is known as an aqueous solution and indicated by the symbol (aq).
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संबंधित प्रश्न
Translate the following statement into chemical equation and then balance it.
Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
What does the symbol (aq) represent in a chemical equation?
Balance the given equation:
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When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are reactants.
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potassium dichromate + hydrochloric acid → Potassium chloride + chromium chloride + water + chlorine
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of salt formed.
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In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.
\[\ce{2H2O ->[electric][current] 2H2 + O2}\]
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