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प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
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उत्तर
The valency of metal M is 3. So, the formulae are as follows:
Oxide - M2O3
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संबंधित प्रश्न
Select the correct answer from the choice given below.
The type of element-phosphorus
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
Give the symbol of the following element:
Neon
State the type of element for the following:
Lead
Give the formula of the following acid:
Sulphuric
Give the formula of the following gas:
Nitric oxide
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).
Nitrate
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).
Dichromate
The pictorial symbol for water given by the alchemists was
What does a chemical symbol represent?
