Amazing facts about creatures

Important facts about cube and cuboid

An interesting fact about equivalent fractions

Which one of the following facts abouts animals is incorrect?

Which of the following facts about Robert Hooke's experiment leading to discovery of cell is not correct?

Which of the following facts about the complex [Cr(NH_(3))_(6)]Cl_(3) is wrong ?

Which of the following facts about the complex [Cr(NH_3)_6Cl_3] is wrong?