Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Sodium permanganate
Advertisements
उत्तर
Sodium permanganate - NaMnO4 - `"Na"^(1+)["MnO"_4]^(1-)`
APPEARS IN
संबंधित प्रश्न
Write down the formulae of sodium oxide.
Write the chemical formula of the Copper nitrate.
An element Z has a valency of 3. What is the formula of oxide of Z ?
The formula of carbonate of a metal M is M2CO3.
What will be the formula of its nitride ?
Correct the following statement:
A molecular formula represents an element.
Give the empirical formula of Acetylene C2H2
Name the element in the compound and give the formula of the following compound:
Ethane
Write the formula of the following compound:
Potassium permanganate
Write the formula of the following compound:
Calcium sulphite
Write the formula of the following compound:
Magnesium chloride
Write the formula of the following compound:
Magnesium sulphate
Write the formula of the following compound:
Aluminium hydroxide
Write the formula of the following compound:
Copper [I] chloride
Write the formula of the following compound:
Copper [II] oxide
Write the formula of the following compound:
Copper [I] sulphide
Write the formula of the following compound:
Silver [I] chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KCr2O7
Write the chemical formula for the following compounds
- Aluminium sulphate
- Silver nitrate
- Magnesium oxide
- Barium chloride
Write the molecular formulae for the following compounds
Iron (III) sulphide
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 |

