Which of the following leads to the formation of small pores in brick?(a) Iron pyrites(b) Pebbles(c) Organic matter(d) AlkalisI have been asked this question in an interview for job.The question is from Composition of Good Brick Earth topic in chapter Materials for Construction of Basic Civil Engineering

Which of the following leads to the formation of small pores in brick?

1.	Which of the following leads to the formation of small pores in brick?(a) Iron pyrites(b) Pebbles(c) Organic matter(d) AlkalisI have been asked this question in an interview for job.The question is from Composition of Good Brick Earth topic in chapter Materials for Construction of Basic Civil Engineering
Answer» RIGHT OPTION is (c) ORGANIC matter Explanation: Organic matter aids in the BURNING process.If it does not get burnt completely, gases are released which will lead to the formation of SMALL pores, making brick porous.

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