Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/6 1/8 1/4 1/3 1/6 1/8 1/4 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Oxalic acid Salycylic acid Formic acid Acetic acid Oxalic acid Salycylic acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant rare gas in the atmosphere is Xe Ar He Ne Xe Ar He Ne ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Sedative Mental stimulant Hallucinating substance Tranquillizer Sedative Mental stimulant Hallucinating substance Tranquillizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant A bacterium An insect A fungus A seed plant A bacterium An insect A fungus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? H2SO4 HCl HF HNO3 H2SO4 HCl HF HNO3 ANSWER DOWNLOAD EXAMIANS APP