64.
When we cut an onion, the vegetable emits an odour and our eyes tear up. Which of the following compounds is responsible for the tears and odour resulting from freshly cut onions?

68.
An acid turns blue litmus red and base turns red litmus blue. A group of student in a laboratory tested a solution with a red litmus paper which remained red with no change. This result shows that the solution is

Read More Section(Acid, Base and Salts)

Each Section contains maximum 100 MCQs question on Acid, Base and Salts. To get more questions visit other sections.