Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 6 12 Zero 18 6 12 Zero 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Dust particles Photochemical smog SO2 NO2 Dust particles Photochemical smog SO2 NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of naturally occurring elements 110 98 92 62 110 98 92 62 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Quarks Mesons Photons Leptons Quarks Mesons Photons Leptons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Oxygen Hydrogen Sulphide Nitrogen Carbon dioxide Oxygen Hydrogen Sulphide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Limestone and clay Limestone and graphite Clay and graphite Chalk and graphite Limestone and clay Limestone and graphite Clay and graphite Chalk and graphite ANSWER DOWNLOAD EXAMIANS APP
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