Advertisements
Advertisements
प्रश्न
What does the symbol '(aq.)' present in a chemical equation, mean?
Advertisements
उत्तर
'(aq.)' represents for a solution in water (aqua).
APPEARS IN
संबंधित प्रश्न
Write the full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
What is meant by atomicity? Name the diatomic element.
Match the noble gases – with their correct symbols:
| Noble gases | Symbols |
| (a) Helium | (1) Ar |
| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
State the type of element for the following:
Bromine
Give the formula of the following gas:
Nitrogen dioxide
State the valency of the following metallic element and write symbol with the valency
Potassium
State the valency of the following metallic element and write symbol with the valency
Zinc
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).
Bisulphate
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
Name three metals whose symbols are derived from the first letter of the name of the element.
