Advertisements
Advertisements
प्रश्न
The valency of sodium is one, write the molecular formula for sodium carbonate ?
Advertisements
उत्तर
sodium carbonate : Na2CO3
APPEARS IN
संबंधित प्रश्न
Write the molecular formulae of Magenesium oxide :
Write the molecular formula of sulphuric acid.
The valency of sodium is one, write the molecular formula for sodium oxide ?
The valency of sodium is one, write the molecular formula for sodium sulphate ?
The valency of sodium is one, write the molecular formula for sodium hydroxide ?
State the term
A group of atoms that react as a single unit ______.
What is a molecule ? Explain with an example.
Calculate the number of molecules present in a drop of chloroform (CHCl3) weighing 0.0239 g.
(Atomic masses : C = 12 u ; H = 1 u ; Cl = 35.5 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)
Diagrammatically represent the transfer of electrons.
‘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.
Fill in the blank:
The formula of aluminium sulphate is _________.
State the correct formula of the following from the option given:
Calcium hydroxide
State the correct formula of the following from the option given:
Copper [II] nitrate
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
Express each of the following in kilograms
5.873×10−21g
______ can be formed by the same or different kinds of atoms.
