Chemistry The compound to which H2 does not add is Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : 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 Calcium, magnesium and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Dry Ice (Frozen CO2) All of these Sodium Chloride (NaCl) Silver Iodide (Ag I) Dry Ice (Frozen CO2) All of these Sodium Chloride (NaCl) Silver Iodide (Ag I) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: The mechanisms and paths of the molecules take in joining from one reactant to products The rate of chemical reaction How fast the reactions go All of these are correct The mechanisms and paths of the molecules take in joining from one reactant to products The rate of chemical reaction How fast the reactions go All of these are correct ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pb Ni Pt Cu Pb Ni Pt Cu ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Iron Tin Silver Aluminium Iron Tin Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
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