Chemistry What is used in storage batteries? Zinc Lead Tin Copper Zinc Lead Tin Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Gold Mercury Platinum Iron Gold Mercury Platinum Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Cryolite Fluorspar Haematite Bauxite Cryolite Fluorspar Haematite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Beta particles Proton Positron Alpha particles Beta particles Proton Positron Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Helium Neon Argon Oxygen Helium Neon Argon ANSWER DOWNLOAD EXAMIANS APP
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