Chemistry Williamson's synthesis is widely used in the laboratory preparation of Alcohols Esters Aldehydes Ethers Alcohols Esters Aldehydes Ethers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as promoter for iron in Haber's process Mg W Mo Mn Mg W Mo Mn ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver iodide Silver bromide Sodium chloride Silver chloride Silver iodide Silver bromide Sodium chloride Silver chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen Non-combustible Lighter than hydrogen More stable More abundant than hydrogen Non-combustible Lighter than hydrogen More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Lithium Sodium Helium Hydrogen Lithium Sodium Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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