Chemistry The nucleus of an atom consists of protons and neutrons electrons and protons electrons and neutrons All of these protons and neutrons electrons and protons electrons and neutrons All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon dioxide Sulphur dioxide Carbon suboxide Carbon monoxide Carbon dioxide Sulphur dioxide Carbon suboxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of periodic table of contents discovery of elements metallurgy atomic structure periodic table of contents discovery of elements metallurgy atomic structure ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hottest part of the gas flame is known as non-luminous zone blue zone luminous zone dark zone non-luminous zone blue zone luminous zone dark zone ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Air exerts an upward force on the balloon The balloon is weightless Helium is less dense than air Helium pushes down on the air below the balloon Air exerts an upward force on the balloon The balloon is weightless Helium is less dense than air Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Nylon 66 Bakelite Terylene Tollen's Nylon 66 Bakelite Terylene Tollen's ANSWER DOWNLOAD EXAMIANS APP
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