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प्रश्न
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Barium sulphate
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उत्तर
Barium sulphate
Acidic radical SO42-
Basic radical Ba2+
Chemical formulae BaSO4
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संबंधित प्रश्न
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
Write the names of `"HgO"` compounds :
Write the names of `"H"_2"S"` compounds :
Fill in the following blank with suitable word:
A sulphide ion has negative charge because it contains less ....................... than ...................
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
Give example.
Positive radicals
Give example.
Basic radicals
Fill in the blank:
Sodium chloride has two radicals. Sodium is a _____ radical while chloride is _____ radical.
State if the following element or radical is divalent?
Ammonium
State if the following element or radical is divalent?
Chromium
