Chemistry What happens when a chemical bond is formed ? Energy is always absorbed More energy is released than is absorbed Energy is neither released nor absorbed Energy in always released Energy is always absorbed More energy is released than is absorbed Energy is neither released nor absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Ethylene ozonide Methyl bromide Benzene D.T. Ethylene ozonide Methyl bromide Benzene D.T. ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Zinc plating Alloy formation Galvanization Vulcanization Zinc plating Alloy formation Galvanization Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Lead Copper Chromium Cadmium Lead Copper Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Alum Sodium carbonate Potassium Permangante Lime Alum Sodium carbonate Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants A B C 3 1 2 A B C3 2 1 A B C 2 1 3 A B C 2 3 1 A B C 3 1 2 A B C3 2 1 A B C 2 1 3 A B C 2 3 1 ANSWER DOWNLOAD EXAMIANS APP