a-4, b-3, c-1, d-2
a-2, b-4, c-3, d-1
a-3, b-1, c-4, d-2
a-3, b-4, c-1, d-2
Answer is Wrong!
Answer is Right!
The correct answer is: C. a-3, b-1, c-4, d-2
Morphine is an analgesic, which means it is used to relieve pain. Sodium is a metal that is often used in alloys. Boric acid is an antiseptic, which means it is used to kill bacteria. German silver is an alloy of copper, nickel, and zinc. Kerosene oil is a type of oil that is used as a fuel.
Here is a brief explanation of each option:
- Option A: a-4, b-3, c-1, d-2. This option is incorrect because morphine is an analgesic, not an antiseptic.
- Option B: a-2, b-4, c-3, d-1. This option is incorrect because sodium is a metal, not an alloy.
- Option C: a-3, b-1, c-4, d-2. This option is correct because morphine is an analgesic, sodium is a metal, boric acid is an antiseptic, and German silver is an alloy.
- Option D: a-3, b-4, c-1, d-2. This option is incorrect because kerosene oil is a type of oil, not an alloy.