1) 4 kg 2) 5 kg 3) 3.5 kg 4) 4.5 kg 5) 5.5 kg Answer: 2) 5 kg Solution: Let the mass of the shell be M which will be the sum of the masses... View Article
1) linear momentum of the system does not change in time 2) kinetic energy of the system does not change in time 3) angular momentum of the... View Article
1) 20 m/s 2) 10 m/s 3) 15 m/s 4) None of these Answer: 1) 20 m/s Solution: Mass of the system, M = 100 + 100 = 200 Kg Water leaks at a rate... View Article
Question: Which of the following compounds are metamers? Solution:Answer: (a)Metamerism is a type of structural isomerism that is seen in a... View Article
Question: Product (P) is: Solution:Answer: (b)The addition of HBr in the presence of peroxide takes place through the free radical addition... View Article
a. 4.89 BMb. 1.73 Bc. 0 BM d. 3.87 BMSolution:Answer: (a)Electronic configuration of 26Fe2+ is [Ar]3d64s0Since an octahedral complex in a high... View Article
a. H2SO4b. AgNO3c. HNO3d. CaCO3Solution:Answer: (b)Carius method: A known mass of an organic compound is heated with fuming nitric acid in the... View Article