Chemistry Atoms of different elements have Same number of electrons and neutrons Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Same number of electrons and neutrons Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used As purgative In making tooth paste In paper industry In softening water As purgative In making tooth paste In paper industry In softening water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Manganese and Magnesium Magnesium and Tin Aluminium and Zinc Aluminium and Magnesium Manganese and Magnesium Magnesium and Tin Aluminium and Zinc Aluminium and Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetraphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called ADI LC50 LD50 NOAEL ADI LC50 LD50 NOAEL ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Smaller atomic radius High bond dissociation energy High nuclear charge Stable half filled 2p sub level Smaller atomic radius High bond dissociation energy High nuclear charge Stable half filled 2p sub level ANSWER DOWNLOAD EXAMIANS APP
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