Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In making tooth paste As purgative In paper industry In softening water In making tooth paste As purgative In paper industry In softening water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Methanol Ethanol Propyl alcohol Ethylene glycol Methanol Ethanol Propyl alcohol Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Magnetite Haemetite Limnonite None of these Magnetite Haemetite Limnonite None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Acrylic Polyolefin Polyester Polyamide Acrylic Polyolefin Polyester Polyamide ANSWER DOWNLOAD EXAMIANS APP