Chemistry Which one is the lightest element in the periodic table Helium Carbon Hydrogen Oxygen Helium Carbon Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Same number of electrons and neutrons Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration Same number of electrons and neutrons Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inert gases are ____ in water soluble insoluble sparingly soluble None of these soluble insoluble sparingly soluble None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper, tin and zinc Copper and zinc Tin and lead Copper and tin Copper, tin and zinc Copper and zinc Tin and lead Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Zinc oxide Magnesium oxide Calcium oxide Aluminium oxide Zinc oxide Magnesium oxide Calcium oxide Aluminium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sulphur Sponge Chlorine Polythene Sulphur Sponge Chlorine Polythene ANSWER DOWNLOAD EXAMIANS APP
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