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Another, cheaper way of protecting rebars is coating them with calcium sulphate.(a) True(b) FalseI got this question in exam.Asked question is from R.C.C. Work and Amount topic in division Different Type Roofs, R.C.C of Civil Engineering Drawing

Answer»

The correct answer is (B) False

Easy explanation: ANOTHER, cheaper way of protecting rebars is coating them with ZINC phosphate. Zinc phosphate slowly reacts with calcium cations and the hydroxyl anions present in the cement pore water and forms a STABLE HYDROXYAPATITE layer.



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