You must be failure with the following nursery rhymes:- 'Baa baa black sheep, have you any wool.'
Which parts of the black sheep have wool?

You must be familiar with the following nursery rhymes:- 'Mary had a little lamb, whose fleece was white as snow.' What is meant by the white fleece of the lamb?

The decomposition of potassium chlorate (KClO_3) is a slow process. But the decomposition becomes fast in the presence of a black powder. Answer the following question : Can you name the substance which can slow down the decomposition of H_2O_2 ?

Faraday cage: A Faraday cage or Faraday shield lies an enclosure made of a conducting material. The fields within a conductor cancel out with any external fields, so the electric field within the enclosure is zero. These Faraday cages act as big hollow conductors you can put things in to shield them from electrical fields.Any electrical shocks the cage receives, pass harmlessly around the outside of the cage. An isolated point charge +q is placed inside the Faraday cage. Its surface must have charge equal to

By considering their position in the periodic table, which one of the following elements would you expect to have the most metalllic characteristics? Ga Ge As Se Be.

Under which of the following conditions are you most likely to fall sick ? (i) when you are taking examinations, (ii)when you have travelled by bus and train for two days, (iii) when your friend is suffering from measles. Why ?