Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Zinc nitrate
Advertisements
उत्तर
Zinc nitrate - Zn[NO3]2 - `"Zn"^(2+)["NO"_3]^(1-)`
APPEARS IN
संबंधित प्रश्न
Write the chemical formula of the Copper nitrate.
What is meant by a chemical formula ? Write the formulae of one element and one compound.
Write down the formulae for the following compounds :
Magnesium hydroxide
An element X of valency 3 combines with another element Y of valency 2. What will be the formula of the compound formed ?
Which of the following represents a correct chemical formula ?
An element A forms an oxide A2O5.
What will be the formula of chloride of A ?
What is a chemical formula? What is the significance of a formula?give an example to illustrate?
The formula of the nitride of a metal X is XN, state the formula of its hydroxide.
Name the element in the compound and give the formula of the following compound:
Glauber’s salt
Write the formula of the following compound:
Potassium permanganate
Write the formula of the following compound:
Sodium chloride
Write the formula of the following compound:
Sodium bisulphate
Write the formula of the following compound:
Sodium nitrite
Write the formula of the following compound:
Calcium carbonate
Write the formula of the following compound:
Aluminium hydroxide
Write the formula of the following compound:
Lead [II] hydroxide
Which of the following represents a correct chemical formula? Name it.
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 |
