Chemistry Supersonic jet causes pollution by thinning of SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer O 2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Carbonic acid Sulphuric acid Boric acid Phosphoric acid Carbonic acid Sulphuric acid Boric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Oxygen Fluorine Lithium Zinc Oxygen Fluorine Lithium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O-22 O-2 O+2 O2 O-22 O-2 O+2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Krypton Argon Nitrogen Oxygen Krypton Argon Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Methane Ethane Carbon di-oxide Carbon monoxide Methane Ethane Carbon di-oxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP