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प्रश्न
Give the formula of the following gas:
Sulphur dioxide
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उत्तर
Sulphur dioxide – SO2
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
An element which can exhibit valencies of 2, 4 and 6 can be :
Define atomic mass unit. What is its symbol ?
State the type of element for the following:
Carbon
State the type of element for the following:
Neon
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
Give the symbol of the following element:
Carbonate
Write the radical of the following valency:
Hydroxide
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).
Oxide
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
