Advertisements
Advertisements
Question
Give the empirical formula of Glucose C6H12O6 .
Solution
The empirical formula for glucose is CH2O.
APPEARS IN
RELATED QUESTIONS
Write down the formulae of sodium sulphide.
What is meant by a chemical formula ? Write the formulae of one element and one compound.
What is the difference between 2H and H2 ?
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 ?
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 ?
The formula of carbonate of a metal M is M2CO3.
What will be the formula of its phosphate ?
Write the formula of the following compound:
Potassium sulphate
Write the formula of the following compound:
Potassium nitrite
Write the formula of the following compound:
Sodium carbonate
Write the formula of the following compound:
Sodium bisulphate
Write the formula of the following compound:
Sodium sulphate
Write the formula of the following compound:
Sodium iodide
Write the formula of the following compound:
Magnesium chloride
Write the formula of the following compound:
Zinc sulphate
Write the formula of the following compound:
Zinc oxide
Write the formula of the following compound:
Aluminium hydroxide
Write the formula of the following compound:
Iron [III] sulphide
Write the molecular formulae for the following compounds
Mercury (II) chloride
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 |
