Chemistry Diamond is harder than graphite because of : Difference of crystalline structures Tetrahedral structure of diamond Difference in layers of atoms None of these Difference of crystalline structures Tetrahedral structure of diamond Difference in layers of atoms None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Abiotic Non-renewable Renewable Biotic Abiotic Non-renewable Renewable Biotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 12 gms 1.2 gms 120 gms 0.12 gms 12 gms 1.2 gms 120 gms 0.12 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Cocaine Morphine Tannin Caffeine Cocaine Morphine Tannin Caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Carbon and Platinum Iridium and Germanium Tungsten and Platinum Silicon and Germanium Carbon and Platinum Iridium and Germanium Tungsten and Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The enzyme that converts glucose to ethyl alcohol is : Zymase Invertase Diastase Maltase Zymase Invertase Diastase Maltase ANSWER DOWNLOAD EXAMIANS APP