Advertisements
Advertisements
प्रश्न
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
Advertisements
उत्तर
- O= 2
- OH = 1
- CO3 = 2
- Cl = l
APPEARS IN
संबंधित प्रश्न
How many atoms are present in a PO43− ion?
Define ‘formula mass’ of a compound.
State whether the following statements are true or false :
A chloride ion has negative charge because it has more electrons than a neutral atom.
Fill in the following blank with suitable word:
A potassium ion has positive charge because it contains less............... than.....................
Give example.
Basic radicals
Give example.
Composite radicals
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic phosphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Potassium manganate
Choose the correct answer from the options given below.
The number of carbon atoms in a hydrogen carbonate radical is
Atoms that carry positive or negative charges are called ______.
