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With reference to ‘fly ash’ produced by the power plants using the coal as fuel, which of the following statements is/are correct? 1. Fly ash can be used in the production of bricks for building construction 2. Fly ash can be used as a replacement for some of the Portland cement contents of concrete 3. Fly ash is made up of silicon dioxide and calcium oxide only and does not contain any toxic elements. Select the correct answer using the code given below
Correct Answer: (a)
Official keyThis question appeared in the GOA Prelims 2022 examination (Screening Test). It is Question 5 out of 75 questions in this paper.
This question was part of the GOA Prelims 2022 (Screening Test). The GOA Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all GOA Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.