Prelims 2015 • Paper 1 (GS) • Q.18

Prelims 2015Paper 1 (GS) • Q.18
PrelimsPaper 1 (GS)2015 • Q.18
Environment

With reference to 'fly ash' produced by the power plants using 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.
2015 PrelimsPaper 1 (GS)

Syllabus Connection

General issues on Environmental ecology, Bio-diversity and Climate Change - that do not require subject specialization. (Prelims)

NCERT Connection

Ch.15: Our Environment

Science • Class 10Science Class 10

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