Chemistry The maximum number of covalent formed by nitrogen is 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 8 – 14 0 – 14 0 – 7 None 8 – 14 0 – 14 0 – 7 None ANSWER DOWNLOAD EXAMIANS APP
Chemistry A solution is A homogeneous mixture of two or more substances A solid dissolved in a liquid A mixture of two liquids A solid dissolved i water A homogeneous mixture of two or more substances A solid dissolved in a liquid A mixture of two liquids A solid dissolved i water ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and nicotine Carbon monoxide and benzene Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and benzene Carbon monoxide and dioxin Dioxin and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.158 0.273 0.323 0.201 0.158 0.273 0.323 0.201 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen Oxygen Carbon dioxide All of them Hydrogen Oxygen Carbon dioxide All of them ANSWER DOWNLOAD EXAMIANS APP