621. Deuterium differs from Hydrogen in having:
✅ C. Same atomic number and different atomic weight
Author: Aurangzeb – Page 32
622. There are_____ kinds of Joints in human body?
✅ B. 4
623. The common refrigerant used in domestic Refrigerator is________?
✅ C. Freon/Ammonia
624. Which of the following plants are called arthrophytes?
✅ B. Sphenopsids
625. I was studying English __ my brother was watching a drama.
✅ C. While
626. Which of the following noble gases is not present in atmosphere?
✅ C. Radon
627. The situation in the factory __)no signs of improvement, as the ongoing strike entered second day.
✅ C. showed
628. Which blood group is universal receiver?
✅ C. Group AB
629. Dinosaurs and many other species were extinct about ___ years ago.
✅ A. 66 million
630. The chemical used as a fixer in photography is_____?
✅ C. sodium thiosulphate