Chemistry Which one of the following is not present in cement ? Alum Clay Alumina Gypsum Alum Clay Alumina Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Calcium Phosphorus Nitrogen Sulphur Calcium Phosphorus Nitrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Iron Aluminium Zinc Copper Iron Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Mercury Iron Gold Platinum Mercury Iron Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change Electrical change Physical change None of these Electrochemical change Electrical change Physical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) ANSWER DOWNLOAD EXAMIANS APP
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