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प्रश्न
Fill in the blank:
The formula of aluminium sulphate is _________.
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उत्तर
The formula of aluminium sulphate is AI2(SO4)v.
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संबंधित प्रश्न
What does 2H2S represent ?
What does 5H2S04 represent ?
Write the molecular formulae of Hydrogen chloride :
Write the molecular formula of sulphuric acid.
Write the molecular formulae of Iron (III) sulphide:
Write the molecular formulae of Calcium phosphate :
Fill in the blank
_______ is a triatomic molecule.
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
If 1 gram of sulphur dioxide contains x molecules, how many molecules will be present in 1 gram of oxygen ?
(S = 32 u ; O = 16 u)
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
‘Atoms of the same element or different from Dalton’s atomic theory by the Modern Atomic Theory.
Give two examples each of –
- Atoms of the same element
- Atoms of different elements combining to form a molecule.
Explain the term ‘atomicity’.
‘Dilute hydrochloric acid is added to sodium hydroxide’. Give a word equation and a molecular equation of the same. Is the equation written, a balanced equation. Give reasons.
State the correct formula of the following from the option given:
Copper [II] nitrate
Name the following:
A molecule of a compound containing two oxygen atoms and one nitrogen atom.
Molecule containing more than three atoms are known as ______.
Calculate the number of water molecules present in one drop of water which weighs 0.18 g.
Express each of the following in kilograms
0.584 g
A group of atoms carrying a fixed charge on them is called ————.
