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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.
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 it
Phosphate
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of its
Acetate
Give the symbol and the number of atoms of the following elements present in sodium chloride.
Give the symbol of the following element:
Fluorine
Give the symbol of the following element:
Carbonate
Write the radical of the following valency:
Oxygen
Give the formula of the following gas:
Carbon monoxide
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is ________ and which is liquid at room temperature is ________.
What does the symbol '(s)' present in a chemical equation, mean?
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
