Advertisements
Advertisements
Question
Give the formula and valency of:
| Aluminate | ______ | ______ |
Advertisements
Solution
| Name | Formula | Valency |
| Aluminate | \[\ce{AlO^{3-}3}\] | 3 |
APPEARS IN
RELATED QUESTIONS
State the chemical symbols for the following elements :
Sodium, Potassium, Iron, Copper, Mercury, Silver.
What is the significance of the formula of a substance ?
Write down the formulae for the following compounds :
Magnesium hydroxide
An element Z has a valency of 3. What is the formula of oxide of Z ?
Work out the formula for sulphur dioxide. (Valencies : S = 4 ; O = 2)
If the valency of carbon is 4 and that of sulphur is 2, work out the formula of the compound formed by the combination of carbon with sulphur. What is the name of this compound ?
Give the formula and valency of:
chromate ………….…….. .
Complete the following statement by selecting the correct option :
The correct formula of aluminium oxide is
Give the empirical formula of : Benzene C6H6
Identify the following substance:
An alkaline gas A which gives dense white fumes with hydrogen chloride.
Name the element in the compound and give the formula of the following compound:
Nitric acid
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
Write the formula of the following compound:
Sodium chloride
Write the formula of the following compound:
Magnesium sulphate
Write the formula of the following compound:
Copper [I] oxide
Give the chemical formulae for the following compounds and compute the ratio by mass of the combining elements in each one of them. (You may use appendix-III).
- Ammonia
- Carbon monoxide
- (Hydrogen chloride
- Aluminium fluoride
- Magnesium sulphide
Write the steps that are followed to write down the chemical formula of a substance.
