Chemistry How many electrons in a Hydrogen atom Four One Three Two Four One Three Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Tantalum Silicon Ultra pure carbon Beryllium Tantalum Silicon Ultra pure carbon Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Sulphur Iodine Vanadium Argon Sulphur Iodine Vanadium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 2 1 8 4 2 1 8 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Silver Bronze Brass Copper Silver Bronze Brass Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
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