TNPSC Group 4 2019
General Studies Questions 26 to 50
Reason (R): Low Pressure in the veins
I. Na₂CO₃ is used in softening hard water
II. NaHCO₃ is used for bleaching cotton and linen in textile industry
III. CaSO₄ ½ H₂O is used for plastering fractured bones
IV. CaOCl₂ is used in making of baking powder
II. Baripada: Located in Maharastra - Gujarat border.