Chemistry Which of the following is used as non-stick coating for cooking utensils? Polystyrene Teflon Perspex Styrofoam Polystyrene Teflon Perspex Styrofoam ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is a violent explosion. There is a crackling sound There is no reaction. The paper ignites There is a violent explosion. There is a crackling sound There is no reaction. ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is M-nitrophenol O-nitrophenol P-nitrophenol P-chlorophenol M-nitrophenol O-nitrophenol P-nitrophenol P-chlorophenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Reduced crop yield Respiratory diseases (e.g.asthma) Cancer Silicosis Reduced crop yield Respiratory diseases (e.g.asthma) Cancer Silicosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Sodium Lithium Potassium Cadmium Sodium Lithium Potassium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon dioxide Oxides of sulphur Oxides of nitrogen Carbon monoxide Carbon dioxide Oxides of sulphur Oxides of nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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