Which of the following are wrong? I.Na2CO3 is used in softening hard water II.NaHCO3 is used for bleaching cotton and linen in the textile industry III.CaSO4 H2O is used for plastering fractured bones IV.CaOCl2 is used in the making baking powder
Which of the following are wrong? I.Na2CO3 is used in softening hard water II.NaHCO3 is used for bleaching cotton and linen in the textile industry III.CaSO4 H2O is used for plastering fractured bones IV.CaOCl2 is used in the making baking powder Correct Answer II and IV
The Correct Answer is II and IV.
Key Points
- Sodium bicarbonate (NaHCO3) is an antacid used to relieve heartburn and acid indigestion.
- Calcium Hypochlorite (CaOCl2) is used for manufacturing chloroform, bleaching silk, and wool and it is mainly used as a bleaching agent for cotton, linen, and wood pulp.
Additional Information
- Sodium carbonate is the inorganic compound with the formula Na2CO3 and its various hydrates.
- Gypsum is a common mineral, composed of calcium sulphate (CaSO4) and water (H2O).
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Feb 20, 2025