Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Copper [II] chloride
Advertisements
उत्तर
Copper [II] chloride - CuCl2 - `"Cu"^(2+)["Cl"]^(1-)`
APPEARS IN
संबंधित प्रश्न
What is meant by the term chemical formula?
What do the following abbreviations stand for ?
- O
- 2O
- O2
- 3O2
What is the significance of the formula of a substance ?
An element Z has a valency of 3. What is the formula of oxide of Z ?
An element Z has a valency of 3. What is the formula of oxide of Z ?
An element X of valency 3 combines with another element Y of valency 2. What will be the formula of the compound formed ?
An element A forms an oxide A2O5.
What will be the formula of chloride of A ?
Correct the following statement:
Formula of iron (lll) oxide is FeO.
Give the empirical formula of Acitic Acid CH3COOH.
Write the formula of the following compound:
Potassium nitrite
Write the formula of the following compound:
Zinc carbonate
Write the formula of the following compound:
Zinc hydroxide
Write the formula of the following compound:
Copper [II] oxide
Write the formula of the following compound:
Copper [II] sulphate
Write the formula of the following compound:
Iron [III] sulphate
Write the formula of the following compound:
Silver [II] chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaCO3
Write the molecular formulae for the following compounds
Aluminium (III) nitrate
Complete the following crossword puzzle (Fig. 3.1) by using the name of the chemical elements. Use the data given in Table.
| 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 |

