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How much distilled water is added to 3% NaOH solution in clay content determination of molding sand?(a) 450 cc(b) 475 cc(c) 500 cc(d) 550 ccThe question was asked in my homework.My query is from Testing of Molding Sand topic in portion Sand Preparation of Casting-Forming-Welding I

Answer»

Right option is (B) 475 cc

The EXPLANATION: A strong BASE is used in the clay content determination, like sodium HYDROXIDE. 475 cc of distilled water is added to 3% NaOH solution on the determination of clay content of MOLDING sands.



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