Advertisements
Advertisements
प्रश्न
What does the symbol '⇌' present in a chemical equation, mean?
Advertisements
उत्तर
'⇌' stands for a reversible reaction.
APPEARS IN
संबंधित प्रश्न
Give two examples of the following :
Solid + Solid mixture
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
Write the radical of the following valency:
Oxygen
Write the radical of the following valency:
Sulphur [Sulphide]
Give the formula of the following acid:
Nitric
Give the formula of the following acid:
Carbonic
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
write symbol with the variable valency
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Hydroxide
Define the term ‘symbol’.
What does a chemical symbol represent?
