Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Cinnamic acid Oxalic acid Benzoic acid Phthalic acid Cinnamic acid Oxalic acid Benzoic acid Phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Halogens Heavy metals Light metals Noble gases Halogens Heavy metals Light metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main compound of voter ink? Silver Chloride Silver nitrate Ammonium Nitrate Ammonium Chloride Silver Chloride Silver nitrate Ammonium Nitrate Ammonium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by All of these Deforestation Increased transportation activity Rapid industrialization All of these Deforestation Increased transportation activity Rapid industrialization ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is carbon dioxide nitrogen hydrogen oxygen carbon dioxide nitrogen hydrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Hydrogen Carbon Oxygen Helium Hydrogen Carbon Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
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