Chemistry Lead pencil contains Graphite Ferrous sulphide Lead sulphide Lead Graphite Ferrous sulphide Lead sulphide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Tantalum Silicon Ultra pure carbon Beryllium Tantalum Silicon Ultra pure carbon Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Hydrogen Kerosene Diesel Coal Hydrogen Kerosene Diesel Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Cations Higgs-boson Isotopes Anions Cations Higgs-boson Isotopes Anions ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Zinc Aluminium Copper Iron Zinc Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Aldehydes Ethers Alcohols Esters Aldehydes Ethers Alcohols Esters ANSWER DOWNLOAD EXAMIANS APP
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