Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is All of these CO CO2 O3 All of these CO CO2 O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called LD50 NOAEL ADI LC50 LD50 NOAEL ADI LC50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 1 1 : 1 : 1 1 : 16 : 2 2 : 16 : 2 2 : 16 : 1 1 : 1 : 1 1 : 16 : 2 2 : 16 : 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Carbon black Coal Graphite Coke Carbon black Coal Graphite Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Chromium Zinc Sulphur Nickel Chromium Zinc Sulphur Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Table salt gets moist during rainy season because Sodium chloride contains hygroscopic impurities like magnesium chloride Sodium chloride is deliquescent Sodium chloride is hygroscopic Sodium chloride contains some quantity of sodium iodide Sodium chloride contains hygroscopic impurities like magnesium chloride Sodium chloride is deliquescent Sodium chloride is hygroscopic Sodium chloride contains some quantity of sodium iodide ANSWER DOWNLOAD EXAMIANS APP