Chemistry Charcoal is used in water treatment as a/an Absorbent Adsorbent Solvent Coagulant Absorbent Adsorbent Solvent Coagulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference of crystalline structures None of these Difference in layers of atoms Tetrahedral structure of diamond Difference of crystalline structures None of these Difference in layers of atoms Tetrahedral structure of diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Argon Helium Neon Oxygen Argon Helium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Cadmium Lead Copper Chromium Cadmium Lead Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Na Cs K Ca Na Cs K Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Acetic acid Sodium carbonate Sodium salt of benzoic acid Tartaric acid Acetic acid Sodium carbonate Sodium salt of benzoic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS