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प्रश्न
Write the chemical equation for the following word equation and balance them.
Nitrogen + Oxygen → Nitrogen monoxide
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उत्तर
N2 + O2→ 2NO
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संबंधित प्रश्न
How will you indicate the following effect in a chemical equation?
A solution made in water.
Balance the following equation:
Zn + KOH → K2ZnO2 + H2
What information does the following chemical equation convey?
Zn + H2SO4 → ZnSO4+ H2
Write the balanced chemical equation of the following reaction.
ammonia + oxygen → nitric oxide + water
Match column A with column B.
| Column A | Column B |
| (a) Blue salt changes to white and then black | (i) Ammonium dichromate |
| (b) Orange coloured compound changes to green. | (ii) Iodine |
| (c) Red compound changes to brown and then yellow. | (iii) Zinc Nitrate |
| (d) White to yellow when hot and white when cold. | (iv) Copper sulphate |
| (e) Violet solid changes to violet vapours. | (v) Red Lead |
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Heat energy
Give an example of a chemical equation in which two reactants form:
two product
Give a balanced equation by partial equation method, [steps are given below].
The reaction of excess ammonia with chlorine – Ammonia as a reducing agent
- Ammonia first reacts with chlorine to give hydrogen chloride and nitrogen.
- Hydrogen chloride then further reacts with excess ammonia to give ammonium chloride.
Give a balanced equation by the partial equation method, [steps are given below].
Oxidation of Lead [II] Sulphide by Ozone
- Ozone first decomposes to give molecular oxygen & nascent oxygen.
- Nascent oxygen then oxidises lead [II] sulphide to lead [II] sulphate.
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
Cl2 + 2H2O + SO2 → 4HCl + H2SO4
