Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Sodium hydroxide
Advertisements
उत्तर
Sodium hydroxide - NaOH - `["OH"]^(1-)`
APPEARS IN
संबंधित प्रश्न
Write the chemical formula of the Calcium carbonate.
The radius of an oxygen atom is 0.073 nm. What does the symbol ‘nm’ represent ?
An element Z has a valency of 3. What is the formula of oxide of Z ?
The formula of a compound is X3Y. The valencies of elements X and Y will be respectively :
Give the empirical formula of Acetylene C2H2
The formula of the nitride of a metal X is XN, state the formula of :
- its sulphate
- its hydroxide.
Name the element in the compound and give the formula of the following compound:
Blue vitriol
Write the formula of the following compound:
Potassium permanganate
Write the formula of the following compound:
Potassium hydroxide
Write the formula of the following compound:
Magnesium nitrate
Write the formula of the following compound:
Copper [II] oxide
Write the formula of the following compound:
Copper [I] sulphide
Write the formula of the following compound:
Iron [III] sulphide
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaZnO2
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaClO
Which of the following represents a correct chemical formula? Name it.
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.
