Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 6 12 18 Zero 6 12 18 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Heavy metals Halogens Noble gases Light metals Heavy metals Halogens Noble gases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a colloidal system in which: Fat is dissolved Fat is dispersed in water Fat and water are dispersed in each other Water is dispersed in fat Fat is dissolved Fat is dispersed in water Fat and water are dispersed in each other Water is dispersed in fat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is CaBr2 Cacl2 Cal2 CaF2 CaBr2 Cacl2 Cal2 CaF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Lead Copper Cadmium Chromium Lead Copper Cadmium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Phosphine Chlorine Sulphur dioxide Freon Phosphine Chlorine Sulphur dioxide Freon ANSWER DOWNLOAD EXAMIANS APP
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