Chemistry Which one of the following is not present in cement ? Clay Alumina Gypsum Alum Clay Alumina Gypsum Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Calcium hydroxide Magnesium carbonate Magnesium hydroxide Sodium bicarbonate Calcium hydroxide Magnesium carbonate Magnesium hydroxide Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of electrons and neutrons All of these protons and neutrons electrons and protons electrons and neutrons All of these protons and neutrons electrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Isotopes Cations Higgs-boson Anions Isotopes Cations Higgs-boson Anions ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Dehydration process Oxidation process Reduction process Hydration to form other hydrates Dehydration process Oxidation process Reduction process Hydration to form other hydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? None of these Solder Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP