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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
Name the following radicals :
Cr2072
Define ‘formula mass’ of a compound.
State whether the following statements are true or false:
A sodium ion has positive charge because it has more protons than a neutral atom.
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
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.
Potassium ferrocyanide
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic oxide
Name the following radicals and give their valencies:
1. SO4
2. CO3
3. OH4.
4.Cr2O7
State if the following element or radical is divalent?
Dichromate
State if the following element or radical is divalent?
Permanganate
