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प्रश्न
Name the various types of chemical reactions.
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उत्तर
- Combination reaction
- Decomposition reaction
- Displacement reaction
- Double displacement reaction
- Oxidation and reduction reaction
- Reversible and Irreversible reactions,
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संबंधित प्रश्न
Complete and balance the following equation:
NaOH + .......... \[\ce{-> Na2SO4 + H2O}\]
Write a complete balanced equation for the following reaction:
\[\ce{Sulphur dioxide (gas) + Oxygen (gas) -> Sulphur trioxide (gas)}\]
Balance the following chemical equation:
\[\ce{NH3 -> N2 + H2}\]
Substitute formulae for names and balance the following equation:
Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.
Give one example of an exothermic reaction.
Write word equation for the following skeletal equation:
\[\ce{CO + O2 -> CO2}\]
Write your observation for the following chemical reaction and name the product formed :
When an aqueous solution of sodium chloride is mixed with an aqueous solution of silver nitrate.
Balance the equation stepwise.
SO2(g) + H2S(aq) → S(s) + H2O(l)
Write the chemical equation for the following word equation and balance them.
Carbon + Oxygen → Carbon dioxide
Write the chemical equation for the following word equation and balance them.
Sodium reacts with water to form sodium hydroxide and hydrogen
Write the balanced chemical equation of the following reaction.
Potassium permanganate + hydrochloric acid → potassium chloride + manganese chloride + chlorine + water
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of chlorine gas formed.
Define: Endothermic reaction
Balance the following simple equation:
KHCO3 → K2CO3 + H2O + CO2
Balance the following simple equation:
Fe + H2O ⇌ Fe3O4 + H2
Write a balanced equation for the following word equation:
Potassium nitrate → Potassium nitrite + Oxygen
Write a balanced equation for the following word equation:
Aluminium + Oxygen → Aluminium oxide
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
Balance the following chemical equation.
- Na + O2 → Na2O3
- Ca + N2 → Ca3N2
- N2 + H2 →NH3
- CaCO3 +HCl → CaCl2 + CO2 +H2O
- Pb(NO3)2 → PbO + NO2 + O2
