Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Nitrogen Hydrogen Helium Methane Nitrogen Hydrogen Helium Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder None of these Aluminium sulphate Aluminium powder Solder None of these Aluminium sulphate Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to X-rays Positive rays ?-rays ? and ? rays X-rays Positive rays ?-rays ? and ? rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Chlorine Nitrogen Fluorine Lithium Chlorine Nitrogen Fluorine Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Antagonism Independent Synergism Additives Antagonism Independent Synergism Additives ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons Protons and electrons Electrons Protons and neutrons Protons Protons and electrons Electrons Protons and neutrons ANSWER DOWNLOAD EXAMIANS APP
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