Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is nitrogen carbon hydrogen oxygen nitrogen carbon hydrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Nitrogen Oxygen Calcium Silicon Nitrogen Oxygen Calcium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Activation energy Internal energy Threshold energy Free energy Activation energy Internal energy Threshold energy Free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit to measure the flow of water is Micro Mho Ohm meter Milli curie Cusecs Micro Mho Ohm meter Milli curie Cusecs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Arsenic Phosphate Detergent Zinc Arsenic Phosphate Detergent Zinc ANSWER DOWNLOAD EXAMIANS APP
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