The metal, which is a constituent of vitamin B12 is_______?
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✅ Correct answer: D. Cobalt
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The energy stored in a dam is______?
✅ C. Potential energy
The ratio of pure gold in 18 carat gold is _____?
✅ D. 0.75
How long does the earth take to cover 1° longitude?
✅ C. 4 Minutes
How many bones are there in an adult human being?
✅ C. 206
The chemical name of “Acid” (Tezaab) is______?
✅ B. Sulfuric acid
Candela is the basic unit of_______?
✅ B. luminous intensity
The most splendid and the most magnificent constellation on the sky is?
✅ B. Orion
Soap and detergents remove the dirt from clothes due to_____?
✅ C. Lowering of interfacial tension
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