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प्रश्न
Identify the following substance:
Gas B that has an offensive smell as of rotten eggs.
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उत्तर
Hydrogen sulphide
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संबंधित प्रश्न
The element having atomicity 'four' is most likely to be :
Write down the formulae for the following compounds :
Calcium oxide
An element X has a valency of 4 whereas another element Y has a valency of 1. What will be the formula of the compound formed between X and Y ?
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
Correct the following statement:
A molecular formula represents an element.
Correct the following statement:
Formula of iron (lll) oxide is FeO.
Name the element in the compound and give the formula of the following compound:
Nitric acid
Write the formula of the following compound:
Potassium sulphate
Write the formula of the following compound:
Potassium iodide
Write the formula of the following compound:
Sodium nitrite
Write the formula of the following compound:
Calcium nitrate
Write the formula of the following compound:
Calcium bicarbonate
Write the formula of the following compound:
Magnesium sulphate
Write the formula of the following compound:
Aluminium oxide
Write the formula of the following compound:
Copper [I] sulphide
Write the formula of the following compound:
Copper [II] sulphate
Write the formula of the following compound:
Tetra amine copper [II] sulphate
Write the molecular formulae for the following compounds
Magnesium (II) acetate
