Chemistry Which one of the following is a major green house gas? Freon Chloro fluorocarbon Carbon dioxide Carbon monoxide Freon Chloro fluorocarbon Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Anthracite Bituminous Lignite Peat Anthracite Bituminous Lignite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : None of the options Addition reaction Substitution reaction Elimination reaction None of the options Addition reaction Substitution reaction Elimination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance's smell is similar to Ethanoic acid? Lemon Tomato juice Vinegar Kerosene Lemon Tomato juice Vinegar Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy is neither released nor absorbed More energy is released than is absorbed Energy is always absorbed Energy in always released Energy is neither released nor absorbed More energy is released than is absorbed Energy is always absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
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