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प्रश्न
What does 5H2S04 represent ?
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उत्तर
5H2S04 = 5 molecules of sulphuric acid.
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संबंधित प्रश्न
Write the molecular formulae of Calcium hydroxide :
Write the molecular formulae of Iron (II) sulphide :
Write the molecular formulae of Nitric acide :
The valency of sodium is one, write the molecular formula for sodium hydroxide ?
State the term
The symbolic representation of a molecule ______
What is a molecule ? Explain with an example.
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
Write the molecular formulae of Magnesium nitride:
‘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.
‘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:
Calcium hydroxide
State the correct formula of the following from the option given:
Sodium bisulphite
Name the following:
A non-metal which forms a polyatomic molecule with more than three atoms.
Express each of the following in kilograms
5.84 × 10−3 mg
Express each of the following in kilograms
5.873×10−21g
A group of atoms carrying a fixed charge on them is called ————.
______ can be formed by the same or different kinds of atoms.
A molecule that contains only one atom is called ______ molecule.
