Chemistry Which among the following coal contains 90 per cent of carbon? Anthracite Peat Bitumen Lignite Anthracite Peat Bitumen Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nucleon? Positron Neutron Proton Electron Positron Neutron Proton Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry "Paramagnetism" is the property of Paired electrons Unpaired electrons Completely filled electronics subshells Completely vacant electronic subshells Paired electrons Unpaired electrons Completely filled electronics subshells Completely vacant electronic subshells ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air shows the property of N2 None of these Both A and B O2 N2 None of these Both A and B O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Synergism Additives Antagonism Independent Synergism Additives Antagonism Independent ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/3 1/8 1/6 1/4 1/3 1/8 1/6 ANSWER DOWNLOAD EXAMIANS APP
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