Chemistry The percentage of oxygen in air is approximately 0.21 0.78 1 0.01 0.21 0.78 1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Man dies in the atmosphere of CO, because it Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Combines with O2 present in the body Reduces the organic matter of tissues Dries up the blood Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Combines with O2 present in the body Reduces the organic matter of tissues Dries up the blood ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Smoke Carbon monoxide Sulphur dioxide Carbon dioxide Smoke Carbon monoxide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is carbon dioxide ethylene acetylene ethane carbon dioxide ethylene acetylene ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Ferrous sulphide Lead Lead sulphide Graphite Ferrous sulphide Lead Lead sulphide Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Asphyxiation Cancer Corrosion Bronchitis Asphyxiation Cancer Corrosion Bronchitis ANSWER DOWNLOAD EXAMIANS APP