Identify the non-biodegradable wastes from the following:
[I.] Thermal power plants which produce fly ash
[II.] Wastes generated by cotton mills
[III.] Wastes produced by food processing units
[IV.] Slag produced from blast furnace
Identify the correctly matched sets:
CO - neutral oxide GeO - acidic oxide PbO - basic oxide
What is the major product of the reaction?
What is the major product formed when phenol is treated with sodium dichromate (\( \text{Na}_2\text{Cr}_2\text{O}_7 \)) and sulfuric acid (\( \text{H}_2\text{SO}_4 \))?
Group 15 elements are also known as nitrogen group elements or nitrogen family.
It consists of:
They are present on the right side of the periodic table. All the elements are arranged based on their atomic weight. The elements with similar properties reside in a column called the group.
All Group 15 elements have the electron configuration ns2np3 in their outer shell, where n is the principal quantum number.