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
Write the symbols and valencies of the following radicals:
- Magnesium ion
- Ammonium
- Carbonate
- Nitrate
- Oxide
- Bisulphate
- Aluminium ion
Write the names of `"CuCo"_3` compounds :
Tick (√) the correct answer.
The sulphate radical is written as S042-. What is the formula of calcium sulphate ?
What is the name of a particle which contains 10 electrons, 11 protons and 12 neutrons ?
An element X has a valency of 2. Write the simplest formula for oxide of the element.
Explain the formation of (i) sodium ion, and (ii) chloride ion, from their respective atoms giving the number of protons and number of electrons in each one of them. What is the reason for positive charge on a sodium ion and a negative charge on a chloride ion ?
A particle X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to be :
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Ferrous sulphide
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Calcium silicate
Choose the correct answer from the options given below.
The number of carbon atoms in a hydrogen carbonate radical is
