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प्रश्न
Write your observation and name the product when ron nails are added to an aqueous solution of copper sulphate.
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उत्तर
When iron pieces are added to an aqueous solution of copper sulphate iron being more reactive displaces copper from copper sulphate solution to produce ferrous sulphate.
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संबंधित प्रश्न
Give one example of a chemical reaction characterised by change in state.
Write symbolic representation for the following word equation and balance them :
Aluminium + Chlorine → Aluminium chloride.
Write word equation for the following molecular equation:
\[\ce{NH3 [g] + HCl [g] ⇌ NH4Cl [s]}\]
Word equation:
State which characteristic is observed in the above reaction.
Give an-example of a similar above characteristic, seen between two other gaseous reactants.
Balance the following simple equation:
ZnS + O2 → ZnO + SO2
Balance the following simple equation:
SO2 + O2 ⇌ SO3
Balance the following simple equation:
\[\ce{N2 + H2 <=> NH3}\]
Balance the following simple equation:
KBr + Cl2 → KCl + Br2
Give a balanced equation by partial equation method, [steps are given below].
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- Hydrogen chloride then further reacts with excess ammonia to give ammonium chloride.
To balance the following chemical equation the value of x and y should respectively be:
\[\ce{2NaOH + xAl_2O_3->yNaAlO_2 + H_2O}\]
A student took a small amount of copper oxide in a conical flask and added dilute hydrochloric acid to it with constant stirring. He observed a change in colour of the solution.
- Write the name of the compound formed and its colour.
- Write a balanced chemical equation for the reaction involved.
