Chemistry Of the following, which one pollutes the air of a big city ? Copper Lead Chromium Cadmium Copper Lead Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Mg Na Ca K Mg Na Ca K ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacids are found in drugs that give relief to Eye sight Acne Headache Stomach ache Eye sight Acne Headache Stomach ache ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is always kept under Water Benzene Kerosene Ether Water Benzene Kerosene Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of protons and neutrons All of these electrons and neutrons electrons and protons protons and neutrons All of these electrons and neutrons electrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 10 2, 8, 8, 2 2, 6, 8, 4 2, 10, 8 2, 8, 10 2, 8, 8, 2 2, 6, 8, 4 2, 10, 8 ANSWER DOWNLOAD EXAMIANS APP