Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Carbon dioxide Carbonates from soil Water Oxides of mineral elements Carbon dioxide Carbonates from soil Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Sedimentation equilibrium Light scattering Osmotic pressure Viscosity Sedimentation equilibrium Light scattering Osmotic pressure Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Diamond Graphite Coke Lamp black Diamond Graphite Coke Lamp black ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Citric acid Lactic acid Salt Vinegar Citric acid Lactic acid Salt Vinegar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O3 and N2 O2 and O3 O2 and N2 Oxides of N and S O3 and N2 O2 and O3 O2 and N2 Oxides of N and S ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1023 '6.023 × 10–20 6.023 × 1020 '6.023 × 10–23 6.023 × 1023 '6.023 × 10–20 6.023 × 1020 '6.023 × 10–23 ANSWER DOWNLOAD EXAMIANS APP
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