Think of your daily routine— how can you save water?

How will you covert?

Starting from acetylene how can you prepare DDT from chloro benzene? Write all possible reactions?

If you could use any source of energy for heating your food, which one would you use and why?

Silver atom has completely filled d-orbital (4d^10) in its ground state. How can you say that it is a transition elements?

How can you determine the resolving power of your eye?

How would you confirm that a colourless liquid given to you is pure water.