IAS 1999 — Chemistry
Science Chemistry questions from IAS 1999.
Other Years
4 Chemistry Questions from 1999
When ants bite, they inject
Match List-I (Naturally occurring substances) with List-II (Elements) and select the correct answer using the codes given the lists: | List-I | | List-II A | Diamond | 1. | Calcium B. | Marble | 2. | Silicon C. | Sand | 3. | Aluminium D. | Ruby | 4. | Carbon Codes: ABCD
Match List-I (Drugs/Chemicals) with List -II (Their uses) and select the correct answer using the codes given below | List-I | | List-II A. | Atropine | 1. | Local anaesthesia B. | Ether | 2. | Heart trouble C. | Nitro-glycerine | 3. | Dilation of pupil. D. | Pyrethrin | 4. | Mosquito control Codes: ABCD
Consider the following statements regarding a motor car battery: 1. The voltage is usually 12 V. 2. Electrolyte used is hydrochloric acid. 3. Electrodes are lead and copper. 4. Capacity is expressed in ampere-hour. Which of the above statements are correct?