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प्रश्न
Give the symbol of the following element:
Sulphite
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उत्तर
| Name | Symbol |
| Sulphite | SO3 |
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संबंधित प्रश्न
Give two examples of the following :
Solid + Solid mixture
Write true or false
Milk is an emulsion.
Match the formulas of the following gases with their correct names :
Gases - (a) H2 (b) N2 (c) O2 (d) Cl2 (e) HCI (f) NH3 (g) CO (h) CO2 (i) SO2 (j) NO (k) NO2.
Names:
(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
State the type of element for the following:
Aluminium
State what is meant by the term ‘activity series of metals’.
Write the chemical formula of the following:
calcium sulphide
Give the formula of the following gas:
Carbon monoxide
State the valency of the following metallic element and write symbol with the valency
Calcium
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).
Carbonate
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
