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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
Give two examples of the following :
Solid + Solid mixture
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Give two examples of the following:
Liquid + Liquid mixture:
State which element exists in the highest percentage in human body.
State the type of element for the following:
Calcium
Give the symbol of the following element:
Phosphate
Write the chemical formula of the following:
calcium sulphide
Give the formula of the following acid:
Sulphuric
What does the symbol '(s)' present in a chemical equation, mean?
