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GK MCQs Section
Q. Consider the following statements regarding the differences between White Cement and Ordinary Portland Cement (OPC):
  1. White cement does not contain iron or manganese oxides, while OPC contains oxides of iron and manganese.
  2. Gypsum is not used in the manufacturing of white cement, whereas it is used in making OPC.
  3. Production of white cement consumes significantly more energy in comparison to gray cement.
Which of the above statements is / are correct?
Answer: Only 1 and 3
Notes: Statement 1 is correct; white cement is produced using raw materials with very low iron and manganese content, unlike OPC. Statement 2 is incorrect; gypsum is added to both OPC and white cement to regulate setting time. Statement 3 is correct; white cement manufacturing is more energy-intensive due to higher purity requirements and specialized processing.
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📌 Question Number: 24 in 91: Inorganic Chemistry in the above course in App.