Advertisements
Advertisements
Question
Name the element in the compound and give the formula of the following compound:
Carbonic acid
Advertisements
Solution
| Element | Element in compound | Formula |
| Carbonic acid | H, C, O Hydrogen, Carbon, oxygen |
H2CO3 |
APPEARS IN
RELATED QUESTIONS
Write down the formulae of magnesium hydroxide.
The radius of an oxygen atom is 0.073 nm. What does the symbol ‘nm’ represent ?
Fill the following blanks with suitable words :
In a chemical reaction, the sum of the masses of the reactants and the products remains unchanged. This is called ....................
What do the symbols, H2, S and O4 mean in the formula H2SO4 ?
If the valency of hydrogen is 1 and that of nitrogen is 3, work out the formula for ammonia.
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
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:
Calcium bicarbonate
Write the formula of the following compound:
Magnesium nitrate
Write the formula of the following compound:
Zinc nitrate
Write the formula of the following compound:
Aluminium nitrate
Write the formula of the following compound:
Copper [I] oxide
Write the formula of the following compound:
Tetra amine copper [II] sulphate
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KNO3
What do you understand by chemical formula of a compound? What is its significance?
Which of the following represents a correct chemical formula? Name it.
BiPO4
Write the steps that are followed to write down the chemical formula of a substance.
Play a game for writing formula.
Example 1: Make placards with symbols and valencies of the elements separately. Each student should hold two placards, one with the symbol in the right hand and the other with the valency in the left hand. Keeping the symbols in place, students should criss-cross their valencies to form the formula of a compound.
