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प्रश्न
Write the names of `"CuCo"_3` compounds :
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उत्तर
`"CuCo"_3` - Copper Carbonate
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संबंधित प्रश्न
Calculate the number of aluminium ions present in 0.051 g of aluminium oxide.
(Hint: The mass of an ion is the same as that of an atom of the same element. Atomic mass of Al = 27 u)
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
Fill in the following blank with suitable word:
A potassium ion has positive charge because it contains less............... than.....................
What is the difference between a cation and an anion ? Explain with examples.
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 ?
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.
Magnesium phosphate
Complete the following table.
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Acid Radicals `→` |
Chloride |
Nitrate |
Sulphate |
Carbonate |
Hydroxide |
Phosphate |
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Basic Radicals `↓` |
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Magnesium |
MgCl2 |
Mg(NO3)2 |
MgSO4 |
MgCO3 |
Mg(OH)2 |
Mg3(PO4)2 |
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Sodium |
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Zinc |
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Silver |
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Ammonium |
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Calcium |
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Iron (II) |
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Potassium |
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Name the following radicals and give their valencies:
1. SO4
2. CO3
3. OH4.
4.Cr2O7
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.
