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प्रश्न
If the symbol for Cobalt, Co, were written as CO, what would be wrong with it?
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उत्तर
Co stands for Cobalt. If we write CO, then it would mean that it is a compound containing two non-metal ions, i.e. carbon and oxygen, which forms carbon monoxide gas.
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संबंधित प्रश्न
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
State the type of element for the following:
Chlorine
Write the radical of the following valency:
Hydroxide
Write the radical of the following valency:
Calcium
Write the chemical formula of the following:
calcium carbonate
Give the formula of the following gas:
Nitrogen dioxide
Give the formula of the following gas:
Sulphur dioxide
State the valency of the following metallic element and write symbol with the valency
Sodium
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Plumbite
Name the elements with the following symbols.
- Na
- W
- Ba
- Al
- U
