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प्रश्न
What does the symbol '⇌' present in a chemical equation, mean?
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उत्तर
'⇌' stands for a reversible reaction.
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संबंधित प्रश्न
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
The Latin language name of an element is natrium. The English name of this element is :
Give two examples of the following:
Solid + Liquid mixture
Give the symbol and the number of atoms of the following elements present in water.
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Silicon
Give the symbol of the following element:
Lead
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).
Nitrate
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).
Aluminate
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).
Dichromate
