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प्रश्न
Write the formula of the following compound:
Sodium carbonate
Write the formula of sodium carbonate.
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उत्तर
Na2CO3
संबंधित प्रश्न
The formula of carbonate of a metal M is M2CO3.
What will be the formula of its nitride ?
Give the formula and valency of:
aluminium ………………. .
Match the following:
| Column A | Column B |
| (a) Pb(NO3)2 | (i) rotten eggs smell |
| (b) CO2 | (ii) burns with a pop sound |
| (c) (NH4)2Cr2O7 | (iii) the suffocating smell of sulphur |
| (d) HCI | (iv) lime water turns milky |
| (e) NO2 | (v) crackling sound |
| (f) O2 | (vi) residue swells up |
| (g) H2 | (vii) brown gas |
| (i) H2S | (viii) supports combustion |
| (j) SO2 | (ix) fumes with NH3 solution |
Name the element in the compound and give the formula of the following compound:
Blue vitriol
Name the element in the compound and give the formula of the following compound:
Green vitriol
Name the element in the compound and give the formula of the following compound:
Glauber’s salt
Write the formula of the following compound:
Potassium permanganate
Write the formula of the following compound:
Potassium bisulphite
Write the formula of the following compound:
Calcium carbonate
Write the formula of the following compound:
Zinc oxide
Write the formula of the following compound:
Aluminium hydroxide
Write the formula of the following compound:
Copper [I] chloride
Write the formula of the following compound:
Lead [II] oxide
Write the formula of the following compound:
Diamine silver chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
Mg(SO4)2
Find the valency of the element which is underlined in the following formula.
- NaCl
- CO2
- Al (PO4)
- Ba (NO3)2
- CaCl2
Write the chemical formula for the following compounds
- Aluminium sulphate
- Silver nitrate
- Magnesium oxide
- Barium chloride
Write the molecular formulae for the following compounds
Copper (II) bromide
Write the molecular formulae for the following compounds
Aluminium (III) nitrate
