Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 12 Zero 6 18 12 Zero 6 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Copper Tin Zinc Lead Copper Tin Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In softening water As purgative In making tooth paste In paper industry In softening water As purgative In making tooth paste In paper industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O Na2O + K2O CaO Al2O3 CaSO4, 2H2O Na2O + K2O CaO Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a Element Mixture None of these Metal Element Mixture None of these Metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Carbon Hydrogen Oxyzen Nitrozen Carbon Hydrogen Oxyzen Nitrozen ANSWER DOWNLOAD EXAMIANS APP
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