Chemistry Highest percentage of carbon is found in which form of coal? Bituminous Lignite Peat Anthracite Bituminous Lignite Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 330 238 92 146 330 238 92 ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Aluminium Zinc Silver Copper Aluminium Zinc Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Passivation Corrosion Erosion Abrasion Passivation Corrosion Erosion Abrasion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Zinc Copper Graphite Cadmium Zinc Copper Graphite Cadmium ANSWER DOWNLOAD EXAMIANS APP
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