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vitamin C
vitamin B
protein
Yellow color of urine is due to presence of
Yellow Fever is transmitted by
_ is used for making vinegar.
...... is the metal used for making filaments of electric bulbs
....... does NOT contain carbonyl group.
....... is a semiconductor.
....... is not acidic.
......... on mixing with water changes to gypsum.
.......... element has two orbits that are completely filled.
"Every matter in the universe is made up of very fine particles", who said this for the first time?