Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 6 –3 to + 4 –3 to + 3 –3 to + 5 –3 to + 6 –3 to + 4 –3 to + 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 2 5 4 3 2 5 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Sodium bicarbonate Magnesium carbonate Calcium hydroxide Magnesium hydroxide Sodium bicarbonate Magnesium carbonate Calcium hydroxide Magnesium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Chlorine Oxygen Nitrogen Hydrogen Chlorine Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium bi chloride Calcium chlorate Calcium chloro hypochlorite Calcium hypochlorite Calcium bi chloride Calcium chlorate Calcium chloro hypochlorite Calcium hypochlorite ANSWER DOWNLOAD EXAMIANS APP
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