Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Magnesium, calcium and tin Magnesium, tin and iron Iron, tin and calcium Calcium, magnesium and iron Magnesium, calcium and tin Magnesium, tin and iron Iron, tin and calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Lead Sulphate Sodium sulphate Zinc sulphate Potassium sulphate Lead Sulphate Sodium sulphate Zinc sulphate Potassium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Nitre, sulphur and charcoal Sulphur, sand and charcoal TNT and charcoal Sand and TNT Nitre, sulphur and charcoal Sulphur, sand and charcoal TNT and charcoal Sand and TNT ANSWER DOWNLOAD EXAMIANS APP
Chemistry An element of atomic no. 29 belongs to F-block S-block D-block P-block F-block S-block D-block P-block ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Methane Acetylene Ethylene Propylene Methane Acetylene Ethylene Propylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is Cacl2 CaF2 Cal2 CaBr2 Cacl2 CaF2 Cal2 CaBr2 ANSWER DOWNLOAD EXAMIANS APP
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