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प्रश्न
What does the symbol '(aq.)' present in a chemical equation, mean?
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उत्तर
'(aq.)' represents for a solution in water (aqua).
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
Give two symbols which have been derived from the " Latin names" of the elements.
The English name of an element is potassium, its Latin name will be :
Give two examples of the following:
Liquid + Liquid mixture:
An atom of an element is denoted by a “symbol”. Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Hydrogen by ‘H’
Give the symbol and the number of atoms of the following elements present in water.
Give the symbol of the following element:
Fluorine
Write the radical of the following valency:
Sulphate
Give the formula of the following acid:
Hydrochloric
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Iron
write symbol with the variable valency
