Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Morphine Tannin Cocaine Caffeine Morphine Tannin Cocaine Caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Have negative charge Need less energy to move them Experience collision less frequently Are lighter Have negative charge Need less energy to move them Experience collision less frequently Are lighter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Tin Copper Zinc Chromium Tin Copper Zinc Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Tartaric acid Acetic acid Malic acid Oxalic acid Tartaric acid Acetic acid Malic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 2 5 4 3 2 5 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Carbondioxide emission Deforstation CFC emission Methane emission Carbondioxide emission Deforstation CFC emission Methane emission ANSWER DOWNLOAD EXAMIANS APP