Chemistry Which one of the following is found in kidney stones? Sodium oxalate Sodium chloride Calcium acetate Calcium oxalate Sodium oxalate Sodium chloride Calcium acetate Calcium oxalate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Ethane Nitrogen Methane All of these Ethane Nitrogen Methane All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Lead Mercury Aluminium Arsenic Lead Mercury Aluminium Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Positrons Neutrons Electrons Protons Positrons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Hydrogen Helium Nitrogen Oxygen Hydrogen Helium Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic CaO MgO Al22O3 Na2O CaO MgO Al22O3 Na2O ANSWER DOWNLOAD EXAMIANS APP
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