Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Light scattering Osmotic pressure Sedimentation equilibrium Viscosity Light scattering Osmotic pressure Sedimentation equilibrium Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Carbonates from soil Carbon dioxide Water Oxides of mineral elements Carbonates from soil Carbon dioxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Different atomic number and different number of valence electrons Same number of electrons and neutrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration Different atomic number and different number of valence electrons Same number of electrons and neutrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to its high electro negativity small size of fluorine atom availability of d-orbitals strong F - F bond its high electro negativity small size of fluorine atom availability of d-orbitals strong F - F bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Nickel Tin Zinc Copper Nickel Tin Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same or opposite spin No spin Opposite spin Same spin Same or opposite spin No spin Opposite spin Same spin ANSWER DOWNLOAD EXAMIANS APP
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