Advertisements
Advertisements
प्रश्न
Complete the following statement by selecting the correct option :
The correct formula of aluminium oxide is
पर्याय
AlO3
AlO2
Al2O3
Advertisements
उत्तर
The correct formula of aluminium oxide is Al2O3.
APPEARS IN
संबंधित प्रश्न
What is meant by the term chemical formula?
What do the following abbreviations stand for ?
- O
- 2O
- O2
- 3O2
Write down the formulae for the following compounds :
Calcium oxide
Fill in the blank:
Formula of iron (ill) carbonate is _____ .
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:
Green vitriol
Write the formula of the following compound:
Sodium carbonate
Write the formula of the following compound:
Sodium bicarbonate
Write the formula of the following compound:
Calcium sulphite
Write the formula of the following compound:
Aluminium chloride
Write the formula of the following compound:
Copper [I] chloride
Write the formula of the following compound:
Copper [II] nitrate
Write the formula of the following compound:
Iron [II] sulphate
Write the formula of the following compound:
Iron [III] sulphide
Write the formula of the following compound:
Iron [II] hydroxide
Write the formula of the following compound:
Lead [II] oxide
Write the formula of the following compound:
Lead [II] hydroxide
Write the molecular formulae for the following compounds
Magnesium (II) acetate
There is ______ oxygen atom is water molecule.
