Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Lead Zinc Nickel Chromium Lead Zinc Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Bauxite Calcite Cryolite Haematite Bauxite Calcite Cryolite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 5 gram of molecule 0.5 gram of molecule 10 gram of molecule 1 gram of molecule 5 gram of molecule 0.5 gram of molecule 10 gram of molecule 1 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of lemon juice is expected to be Less than 7 More than 7 Nothing can be predicted Equal to 7 Less than 7 More than 7 Nothing can be predicted Equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Zinc Detergent Phosphate Arsenic Zinc Detergent Phosphate Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Bhopal gas tragedy' 1984 is related to which gas Methyl bromide Methyl isocyanate Carbon dioxide Aluminium Phosphide Methyl bromide Methyl isocyanate Carbon dioxide Aluminium Phosphide ANSWER DOWNLOAD EXAMIANS APP