Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon monoxide Ozone Carbon dioxide Water vapour Carbon monoxide Ozone Carbon dioxide 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 Which one of the following group of gases contributes to the 'Green House Effect'? Carbon dioxide and Methane Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Ultraviolet Infrared Radio-waves Visible Ultraviolet Infrared Radio-waves Visible ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest ionization potential is Boron Helium Carbon Oxygen Boron Helium Carbon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Phosphorus Hydrogen Sulphur Carbon Phosphorus Hydrogen Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
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