Which one of the following is not a pigment?

Which one among the following is used in bleaching of paper?

Which one of the following is used in preparing a natural mosquito repellent?

Which one among the following statements regarding micelles is NOT correct?

Among the following, which is not the correct method for keeping the curd ?

Common salt (NaCl) is not used as a raw material for preparation of which one of the following compounds ?