21. Oranges are rich source of_______?
✅ D. Vitamins
Author: Aurangzeb – Page 2
22. Sodium carbonate is produced by_______?
✅ A. Amonia solvay process
23. Drugs addicts in Pakistan are__ in special centers set up by the Government.
✅ A. Consulted
24. Which of the following letter does not represent in periodic table?
✅ C. J
25. Name the animal which can live without water in its entire life?
✅ C. Kangaroo rat
26. Battery was invented by_____?
✅ A. Alessandro Volta
27. Which is the hardest substance in the human body?
✅ B. Tooth enamel
28. Always try to be polite __ others.
✅ A. to
29. Soap and detergents remove the dirt from clothes due to_____?
✅ C. Lowering of interfacial tension
30. Amna was engaged __ Asim.
✅ C. to