Chemistry Which among the following coal contains 90 per cent of carbon? Peat Anthracite Bitumen Lignite Peat Anthracite Bitumen Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Reduced crop yield Silicosis Respiratory diseases (e.g.asthma) Cancer Reduced crop yield Silicosis Respiratory diseases (e.g.asthma) Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following partial miscible liquid pairs has both lower and upper critical solution temperature Glycerine and m-toluene Water and diethyl aniline Water and Phenol Aniline and n-hexane Glycerine and m-toluene Water and diethyl aniline Water and Phenol Aniline and n-hexane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to HF injury SO2injury O3injury NO2injury HF injury SO2injury O3injury NO2injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of oxygen used for biochemical reduction Amount of oxygen used for biochemical oxidation Amount of organic debris Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of oxygen used for biochemical oxidation Amount of organic debris Amount of ozone used for biochemical oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Man dies in the atmosphere of CO, because it Dries up the blood Combines with O2 present in the body Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Reduces the organic matter of tissues Dries up the blood Combines with O2 present in the body Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Reduces the organic matter of tissues ANSWER DOWNLOAD EXAMIANS APP