1. The perpendicular force acting on unit surface area of an object is called...............?

3. Zygote is formed by fusion of............... gametes

7. The pH of a strong acid is equal to.............

11. The meniscus of mercury is

12. Balance is an instrument used for measurement of

15. ............... React chemically with fat or oil to form soap

18. The international system of units was introduced in

25. One atom of caseium_133 Completes 9,192,631, 770 vibrations in;

28. The body actions that are performed prior thought are?

29. In any chemical reaction ;