Question No : 15
Harmful bacteria in drinking water cannot be destroyed by
Question No : 16
Temporary hardness is due to the presence of
Question No : 17
The gas used in balloons in the place of hydrogen is
Question No : 18
Tincture iodine is a solution of
Question No : 19
Which of the following process involves removal of the elements of water?
Question No : 20
Which of the following types of water gives lather easily with soap?
Question No : 21
Ozone occurs in the upper layers of air in the atmosphere because
Wanna test your skill? Here are some exams we prepared for you. So if you need to test your skill just attempt any exam from bellow.
Exam Name | No. Of Q | Link |
Chemistry set 1 | 30 | Start |
Chemistry set 2 | 30 | Start |
Chemistry set 3 | 30 | Start |
Chemistry set 4 | 30 | Start |
Chemistry set 5 | 30 | Start |
Chemistry set 6 | 30 | Start |
Chemistry set 7 | 30 | Start |
Chemistry set 8 | 30 | Start |
Chemistry set 9 | 30 | Start |
Chemistry set 10 | 30 | Start |
Chemistry set 11 | 30 | Start |
Chemistry set 12 | 30 | Start |