Chemistry The metallic constituents of hard water are : Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder None of these Aluminium powder Aluminium sulphate Solder None of these Aluminium powder Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleus of an atom consists of. Electron, Proton and Neutron Proton and Neutron Neutron Proton Electron, Proton and Neutron Proton and Neutron Neutron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Isoprene Styrene Ethylene Butadiene Isoprene Styrene Ethylene Butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium sulphate Calcium chloride Calcium phosphate Calcium borate Calcium sulphate Calcium chloride Calcium phosphate Calcium borate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Petrol Water Kerosene Pyridine Petrol Water Kerosene Pyridine ANSWER DOWNLOAD EXAMIANS APP
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