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प्रश्न
Write the chemical formula of the following:
Sodium bromide
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उत्तर
NaBr
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संबंधित प्रश्न
Name the element used as a standard for atomic mass scale.
Why is the symbol S for sulphur, but Na for sodium and Si for silicon?
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
Write the radical of the following valency:
Sulphite
Write the radical of the following valency:
Aluminium
Write the radical of the following valency:
Zinc
Define the term ‘valency’.
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).
Bromide
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).
Phosphate
