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प्रश्न
Write the formula of the following compound:
Copper [I] sulphide
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उत्तर
Copper [I] sulphide - Cu2S - `"Cu"^(1+)"S"^(2-)`
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संबंधित प्रश्न
Write the chemical formula of the Calcium oxide.
What do the symbols, H2, S and O4 mean in the formula H2SO4 ?
Write down the formulae for the following compounds :
Calcium oxide
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Give the formulae of the compounds formed from the following sets of elements :
- calcium and fluorine
- hydrogen and sulphur
- nitrogen and hydrogen
- carbon and chlorine
- sodium and oxygen
- carbon and oxygen
Which of the following represents a correct chemical formula ?
Correct the following statement:
Molecular formula of water is H2O2
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Calcium bicarbonate
Write the formula of the following compound:
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Write the formula of the following compound:
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Write the formula of the following compound:
Iron [III] hydroxide
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NaCO3
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BiPO4
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| Across | Down | ||
| 2 | The element used by Rutherford during his α–scattering experiment | 1 | A white lustrous metal used for making ornaments and which tends to get tarnished black in the presence of moist air |
| 3 | An element which forms rust on exposure to moist air | 4 | Both brass and bronze are alloys of the element |
| 5 | A very reactive non–metal stored under water | 6 | The metal which exists in the liquid state at room temperature |
| 6 | Zinc metal when treated with dilute hydrochloric acid produces a gas of this element which when tested with burning splinter produces a pop sound. | 8 | An element with symbol Pb |
There are ______ hydrogen atoms in water molecule.
