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 oxygen methane helium ozone oxygen methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Wood charcoal Sugar charcoal Animal charcoal Coconut charcoal Wood charcoal Sugar charcoal Animal charcoal Coconut charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Arthritis Kidney damage Hair falling Eye disease Arthritis Kidney damage Hair falling Eye disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy in always released Energy is neither released nor absorbed Energy is always absorbed More energy is released than is absorbed Energy in always released Energy is neither released nor absorbed Energy is always absorbed More energy is released than is absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a naturally occuring noble gas Potassium Boron Sodium Argon Potassium Boron Sodium Argon ANSWER DOWNLOAD EXAMIANS APP
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