Chemistry Which of the following elements is obtained from sea weeds ? Iodine Argon Vanadium Sulphur Iodine Argon Vanadium Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Lactic acid Salt Vinegar Citric acid Lactic acid Salt Vinegar Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 2 4 5 3 2 4 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal only None of these Coal, Natural Gas and Petroleum Coal and Natural Gas only Coal only None of these Coal, Natural Gas and Petroleum Coal and Natural Gas only ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Fe2+ A l3+ Ca2+ Mg2+ Fe2+ A l3+ Ca2+ Mg2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses ANSWER DOWNLOAD EXAMIANS APP