Advertisements
Advertisements
Question
Write the formula of the following compound:
Sodium aluminate
Advertisements
Solution
Sodium aluminate - NaAlO2 - `"AlO"_2^(1-)`
APPEARS IN
RELATED QUESTIONS
Write down the formulae of sodium sulphide.
Write down the formulae of magnesium hydroxide.
The formula of carbonate of a metal M is M2CO3.
What will be the formula of its iodide ?
Correct the following statement:
Formula of iron (lll) oxide is FeO.
Give the empirical formula of Glucose C6H12O6 .
Give the empirical formula of Acitic Acid CH3COOH.
Identify the following substance:
Gas C that is colourless and can be used as a bleaching agent.
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:
Ethanol
Write the formula of the following compound:
Potassium bicarbonate
Write the formula of the following compound:
Potassium bisulphite
Write the formula of the following compound:
Sodium bisulphate
Write the formula of the following compound:
Sodium sulphate
Write the formula of the following compound:
Copper [II] sulphide
Write the formula of the following compound:
Copper [II] sulphate
Write the formula of the following compound:
Iron [II] sulphide
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KNO3
Write the chemical formula for the following elements.
- Hydrogen
- Nitrogen
- Ozone
- Sulphur
Play a game for writing formula.
Example 2: A low-cost model for writing formulae: Take empty blister packs of medicines. Cut them in groups according to the valency of the element, as shown in the figure. Now, you can make formulae by fixing one type of ion into other.
For example:

The formula for sodium sulphate:
2 sodium ions can be fixed on one sulphate ion.
Hence, the formula will be Na2SO4.
Do it yourself:
Now, write the formula of sodium phosphate.
