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प्रश्न
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).
Bicarbonate
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उत्तर
| Name | Symbol | Ion | Valency |
| Bicarbonate | \[\ce{[HCO3]}\] | \[\ce{[HCO3]^{1-}}\] | −1 |
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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 examples of the following:
Solid + Liquid mixture
Explain the terms ‘chemical formula’.
Match the formulas of the following of acids with their correct names:
Acids – (a) HCI (b) HNO3 (c) H2SO4 (d) H2CO3
Names – (1) Carbonic acid (2) Sulphuric acid (3) Hydrochloric acid (4) Nitric acid
State the type of element for the following:
Bromine
Give the symbol of the following element:
Magnesium
Write the radical of the following valency:
Hydroxide
Select the correct answer from the choice in the bracket.
The formula of caustic soda.
Name the following:
An acid whose formula is ‘H2CO3’.
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).
Sulphite
