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What is sand composed of?(a) Silica(b) Silicon(c) Silicon oxide(d) QuartzThe question was posed to me in semester exam.I would like to ask this question from Source and Classification of Sand in portion Materials for Construction of Basic Civil Engineering |
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Answer» RIGHT choice is (a) Silica The EXPLANATION: Sand is composed of SMALL grains of silica (SiO2). It’s also CALLED silicon dioxide. |
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