Advertisements
Advertisements
प्रश्न
State the correct formula of the following from the option given:
Calcium hydroxide
विकल्प
\[\ce{Ca2OH}\]
\[\ce{Ca(OH)2}\]
\[\ce{CaOH}\]
उत्तर
Calcium hydroxide – \[\ce{Ca(OH)2}\]
APPEARS IN
संबंधित प्रश्न
How many atoms are present in a H2S molecule?
What does 5H2S04 represent ?
Write the molecular formulae of Calcium hydroxide :
Write the molecular formulae of Iron (III) sulphide:
Write the molecular formulae of Aluminium sulphate :
The valency of sodium is one, write the molecular formula for sodium hydroxide ?
State the term
The symbolic representation of a molecule ______
Write the cations and anions present, if any, in the following :
- CH3COONa
- NaCl
- H2
- NH4NO3
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
If one mole of nitrogen molecules weighs 28 g, calculate the mass of one molecule of nitrogen in grams.
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)
Diagrammatically represent the transfer of electrons.
State the correct formula of the following from the option given:
Ammonium sulphate
Calculate the number of water molecules present in one drop of water which weighs 0.18 g.
How many atoms are present in a `PO_4^(3-)` ion?
Express each of the following in kilograms
58.34 g
______ of an element consist of a fixed number of different types of atom.