Chemistry Which one is a naturally occuring noble gas Boron Argon Sodium Potassium Boron Argon Sodium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Cadmium Copper Chromium Lead Cadmium Copper Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy in always released Energy is always absorbed More energy is released than is absorbed Energy is neither released nor absorbed Energy in always released Energy is always absorbed More energy is released than is absorbed Energy is neither released nor absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Lamp black Diamond Coke Graphite Lamp black Diamond Coke Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Ethers Alcohols Esters Aldehydes Ethers Alcohols Esters Aldehydes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: The rate of chemical reaction The mechanisms and paths of the molecules take in joining from one reactant to products All of these are correct How fast the reactions go The rate of chemical reaction The mechanisms and paths of the molecules take in joining from one reactant to products All of these are correct How fast the reactions go ANSWER DOWNLOAD EXAMIANS APP
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