Blue vitriol refers to a crystalline copper sulphate, which comprises five molecules of water and molecules of water of crystallisation. When... View Article
Haji Shariat Ullah Haji Shariat Ullah was a prominent religious reform and Islamic scholar movement in the 19th century for Bengali Muslims. He... View Article
The correct answer is (B) Covalent Bond Electronic configuration of sulphur (S) = 1s^{2}, 2s^{2}, 2p^{6}, 3s^{2}, 3p^{4} Sulphur has only 6... View Article
Given, an umbrella is made of 12 triangular pieces each measuring 50 cm, 20 cm, 50 cm. The area of cloth required is Semi perimeter, s = =... View Article
The seats for Maths : Physics : Biology = 5 : 7 : 8 Let the number of seats in M, P, B be 5x, 7x and 8x. Increase % in M, P, B = 40, 50, 75... View Article
