Chemistry Which of the following is not a commercial source of energy? Coal Natural Gas Firewood Petroleum Coal Natural Gas Firewood Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the artificial ripening of fruits is Ethane Methane Butane Acetylene Ethane Methane Butane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Iodine Bromine Chlorine Flourine Iodine Bromine Chlorine Flourine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons and electrons Electrons Protons and neutrons Protons Protons and electrons Electrons Protons and neutrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium metabisulphite Saccharin BHT Sodium sulphate Sodium metabisulphite Saccharin BHT Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be same Must be same Need not be different Must be different Need not be same Must be same Need not be different Must be different ANSWER DOWNLOAD EXAMIANS APP
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