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प्रश्न
Choose the correct answer from the options given below.
The number of carbon atoms in a hydrogen carbonate radical is
पर्याय
One
Two
Three
Four
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उत्तर
One
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संबंधित प्रश्न
Name the following radicals :
SO42
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 ?
The valencies (or charges) of some of the ions are given below :
| Ion | Valency (Charge) | Ion | Valency (Charge) |
| Sodium ion | 1+ | Bromide ion | 1– |
| Ammonium ion | 1+ | Hydroxide ion | 1– |
| Calcium ion | 2+ | Sulphate ion | 2– |
| Lead ion | 2+ | Phosphate ion | 3– |
Using this information, write down the formulae of the following compounds :
(i) Sodium phosphate
(ii) Ammonium sulphate
(iii) Calcium hydroxide
(iv) Lead bromide
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.
Potassium ferrocyanide
Select the correct answer to the statement given below:
An elementary particle of matter – of a group of atoms of different elements behaving as a single unit with charge on the group.
Name the following:
The radical containing one nitrogen and four hydrogen atoms.
State if the following element or radical is divalent?
Nickel
State if the following element or radical is divalent?
Nitride
State if the following element or radical is divalent?
Permanganate
