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