Chemistry Which of the following elements is obtained from sea weeds ? Vanadium Argon Iodine Sulphur Vanadium Argon Iodine Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is helium ozone methane oxygen helium ozone methane oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium Manganese and Magnesium Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium Manganese and Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Thorium Zirconium Plutonium Uranium Thorium Zirconium Plutonium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon monoxide Carbon dioxide Smoke Sulphur dioxide Carbon monoxide Carbon dioxide Smoke Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Oxalic acid Lactic acid Sulphuric acid Citric acid Oxalic acid Lactic acid Sulphuric acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
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