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प्रश्न
Name the following:
An acid whose formula is ‘H2CO3’.
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उत्तर
Carbonic acid
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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 a reason why elements are tabulated in a table called the ‘Periodic table’.
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
Give the symbol of the following element:
Potassium
Give the symbol of the following element:
Boron
State the type of element for the following:
Xenon
Write the radical of the following valency:
Bromine [Bromide]
Write the radical of the following valency:
Sulphur [Sulphide]
What does the symbol '(s)' present in a chemical equation, mean?
______ of some elements are derived from Latin or Greek names of the elements.
