Chemistry The tip of the match-stick contains Phosphorus pentoxide Red phosphorus White phosphorus Phosphorus trichloride Phosphorus pentoxide Red phosphorus White phosphorus Phosphorus trichloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Neon Sodium Hydrogen Nitrogen Neon Sodium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Hydrogen Oxygen Chlorine Nitrogen Hydrogen Oxygen Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Graphite Silicon Phosphorus Sodium Graphite Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Calcium sulphate Phosphoric sulphate Calcium phosphate Calcium hypophosphate Calcium sulphate Phosphoric sulphate Calcium phosphate Calcium hypophosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Zinc Iron Aluminium Copper Zinc Iron Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
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