Q. The bromine atom possesses 35 electrons. It contains 6 electrons in 2p orbital, 6 electrons in 3p orbital and 5 electron in 4p orbital. Which of these electron experiences the lowest effective nuclear charge?

Q. How are the areas of study of evolution and classification interlinked?

Q. What happens when blue crystals of copper sulphate are heated?

Q. Silver is a good conductor of electricity. Yet electricity wires are not made up of silver. Why?

Q. Which mirror has a wider field of view?

Q. How are Microwaves produced?

Q. What are respiratory substrates? Name the most common respiratory substrate.

Q. Write two gases which are soluble in water.

Q. Write short note on the following: HTTP

Q. Describe any five major functions of political parties that are performed by them in a democracy.