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प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
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उत्तर
| Elements | Compounds |
| Iron | Plaster of paris |
| Copper | Chalk |
| Aluminium | Common salt |
| Carbon | Calcium oxide |
| Uranium | Cane sugar |
| Silver | Silica |
| Sodium sulphate | |
| Potassium carbonate | |
| Carbon dioxide |
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संबंधित प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of its
Acetate
Elements are mainly classified into metals and non-metals. State six properties of metals which differ from non-metals.
Give the symbol of the following element:
Fluorine
State the type of element for the following:
Neon
Write the radical of the following valency:
Sodium
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
What does a chemical symbol represent?
In the same way in chemistry, each element is denoted by a ______.
Write a note on Greem symbols.
What is the rarest natural element on the earth?
