Advertisements
Advertisements
Question
Write the formula of the following compound:
Potassium iodide
Advertisements
Solution
Potassium iodide - KI - `"I"^(1-)`
APPEARS IN
RELATED QUESTIONS
Write down the formulae of sodium sulphide.
Write the chemical formula of the Copper nitrate.
Fill the following blanks with suitable words :
In a chemical reaction, the sum of the masses of the reactants and the products remains unchanged. This is called ....................
An element Z has a valency of 3. What is the formula of oxide of Z ?
An element X has a valency of 4 whereas another element Y has a valency of 1. What will be the formula of the compound formed between X and Y ?
Name the element in the compound and give the formula of the following compound:
Phosphoric acid
Write the formula of the following compound:
Potassium dichromate
Write the formula of the following compound:
Potassium bicarbonate
Write the formula of the following compound:
Potassium aluminate
Write the formula of the following compound:
Sodium bisulphate
Write the formula of the following compound:
Sodium zincate
Write the formula of the following compound:
Sodium bisulphite
Write the formula of the following compound:
Aluminium oxide
Write the formula of the following compound:
Tetra amine copper [II] sulphate
Write the formula of the following compound:
Iron [II] chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KCr2O7
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
Ca2(PO4)3
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaClO
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 |

