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प्रश्न
Balance the following simple equation:
CO2 + C → CO
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उत्तर
CO2 + C → 2CO
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संबंधित प्रश्न
The chemical reaction between two substances is characterised by a change in colour from orange to green. These two substances are most likely to be ______.
A white precipitate can be obtained by adding dilute sulphuric acid to ______.
What do the following symbol stand for?
2H2
What is the valency of :
carbon in CH4
A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – copper carbonate.
Balance the following simple equation:
H2 + O2 → H2O
CaCO3 + 2HCl[dil.] → CaCl2 + H2O + CO2 [g]
State the information not conveyed by the above chemical equation.
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.
Which among the following is(are) double displacement reaction(s)?
- `"Pb" + "CuCl"_2 -> "PbCl"_2 + "Cu"`
- `"Na"_2"SO"_4 + "BaCl"_2 -> "BaSO"_4 + 2"NaCl"`
- `"C" + "O"_2 -> "CO"_2`
- `"CH"_4 + 2"O"_2 -> "CO"_2 + 2"H"_2"O"`
What are the steps involved in writing the skeletal equation?
