Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Carbon tetrachloride Magnesium fluoride Sodium chloride Calcium chloride Carbon tetrachloride Magnesium fluoride Sodium chloride Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Copper Cadmium Graphite Zinc Copper Cadmium Graphite Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom One Three Four Two One Three Four Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Vinegar Lactic acid Salt Citric acid Vinegar Lactic acid Salt Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of CI– and [CO3]2– [HCO3]– and H2CO3 CI– and [HCO3]– HCI and NaCI CI– and [CO3]2– [HCO3]– and H2CO3 CI– and [HCO3]– HCI and NaCI ANSWER DOWNLOAD EXAMIANS APP
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