Chemistry Fertiliser having high nitrogen content is : Ammonium nitrate Calcium citrate Urea Ammonium sulphate Ammonium nitrate Calcium citrate Urea Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Will always be positive Can never be positive Can have any value above zero Cannot be negative Will always be positive Can never be positive Can have any value above zero Cannot be negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 150 km 100 km 200 km 300 km 150 km 100 km 200 km 300 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Lead Zinc Copper Tin Lead Zinc Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is caffeine aspirin chlorophyll nicotine caffeine aspirin chlorophyll nicotine ANSWER DOWNLOAD EXAMIANS APP
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