1. At temperature and atmospheric pressure, the volume of definite amount of air is, if pressure is kept constant at what temperature volume of that amount of air will be twice? 27∘C 500 cm3
A. 327∘CB. 327 KC. 650∘CD. 650 K
2. Annual ring is created in plants-
A. For secondary growth of plantsB. For the creation of Cork cambiumC. For creating lenticelsD. For cortex growth
3. Rahat will be going to the US, _____ she?
A. isn’tB. won’tC. can’tD. didn’t
4. What is the force acting between two protons in an iron nucleus if the distance between them is? 4 × 10−15m
A. 100 NB. 14.4 NC. 11.8 ND. 12 N F = Cq1q2 d2 = 9×109×(1.6×10−19)2 (4×10−15)2 = 14.4 N
5. Which of the following can show geometrical isomerism?
A. CH2 = CHClB. CH3 − CH = CHClC. CH2 = CCl2D. CH3 − CH2 − CH = CH2
6. Nobody’s going to call me names and ____.
A. get away with itB. get up with itC. get on with itD. get away from it