Advertisements
Advertisements
प्रश्न
Choose the correct answer from the options given below.
The number of carbon atoms in a hydrogen carbonate radical is
विकल्प
One
Two
Three
Four
Advertisements
उत्तर
One
APPEARS IN
संबंधित प्रश्न
How many atoms are present in a PO43− ion?
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
Define ‘formula mass’ of a compound.
The valencies (or charges) of some of the ions are given below :
Ion Valency Ion Valency (Charge) (Charge)
Sodium ion 1+ Nitrate ion 1–
Copper ion 2+ Sulphide ion 2–
Using this information, write down the formulae of :
- Sodium sulphide
- Copper nitrate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Chromium sulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Magnesium phosphate
Match the radicals in List I with their correct names from List II.
| List I | List II | |
| 1. `"NO"_3^(1-)` | A: Bisulphite | F: Sulphate |
| 2. `"HSO"_4^(1-)` | B: Phosphate | G: Nitrate |
| 3. `"SO"_4^(2-)` | C: Carbonate | H: Phosphite |
| 4. `"PO"_4^(3-)` | D: Nitrite | I: Sulpite |
| 5. `"HCO"_3^(1-)` | E: Bicarbonate | J: Bisulphate |
State if the following element or radical is divalent?
Nickel
State if the following element or radical is divalent?
Nitride
Atoms that carry positive or negative charges are called ______.
