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प्रश्न
Write your observation for the following chemical reaction and name the product formed:
When sugar is heated.
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उत्तर
When sugar is heated, a black solid mass (charcoal) is formed along with water vapours.
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संबंधित प्रश्न
Write symbolic representation for the following word equation and balance them :
Aluminium + Chlorine → Aluminium chloride.
Write your observation and name the product when zinc reacts with dilute hydrochloric acid.
Write the balanced chemical equation of the following reaction.
barium chloride + sulphuric acid → barium sulphate + hydrochloric acid
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of salt formed.
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the volume of chlorine gas formed at S.T.P.
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of acid required.
Balance the following simple equation:
K + H2O → KOH + H2
Balance the following simple equation:
Ca + H2O → Ca(OH)2 + H2
Balance the following simple equation:
Mg + CO2 → MgO + C
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
3CuO + NH3 → 3Cu + 3H2O + N2
