Chemistry Diamond is harder than graphite because of : 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 Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Sedative Hallucinating substance Mental stimulant Tranquillizer Sedative Hallucinating substance Mental stimulant Tranquillizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saline soil contains High concentration of salt Lot of moisture None of these Hard rocks High concentration of salt Lot of moisture None of these Hard rocks ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Diesel Steam Batteries Petrol and oxygen Diesel Steam Batteries Petrol and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacids are found in drugs that give relief to Eye sight Stomach ache Headache Acne Eye sight Stomach ache Headache Acne ANSWER DOWNLOAD EXAMIANS APP
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