2016Science
Which of the following is/are used as disinfectant of water?
GS Paper I (General Studies)
Study the subject as one continuous question paper, or narrow it to a particular year.
Which of the following is/are used as disinfectant of water?
The substance used as moderator and coolant both, in nuclear reactors is
The alkaloid caffeine is present in
Which one of the following denotes water salinity gradient ?
The blood pressure of an individual is 140 mm Hg. In this statement ‘Hg’ refers to
Which of the following is a semiconductor?
Bronze is an alloy of
Bauxite is the ore of:
Which one of the following is not an explosive matter?
| List - I | List - II |
| A. Vitamin B12 | 1. Magnesium |
| B. Haemoglobin | 2. Cobalt |
| C. Chlorophyll | 3. Copper |
| D. Brass | 4. Iron |
Which of the following gases is used for the purification of drinking water?
Refrigeration helps in food preservation by