Chemistry The most abundant element in the earth’s atmosphere is Krypton Oxygen Argon Nitrogen Krypton Oxygen Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Oxalic acid Cinnamic acid Phthalic acid Benzoic acid Oxalic acid Cinnamic acid Phthalic acid Benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Sodium sulphate Hydroquinone Hypo Silver bromide Sodium sulphate Hydroquinone Hypo Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Aerosols Mists Fumes Smoke Aerosols Mists Fumes ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of protons in its nucleus The number of neutrons in the nucleus The number of nucleons in the nucleus The number of electrons orbiting around the nucleus The number of protons in its nucleus The number of neutrons in the nucleus The number of nucleons in the nucleus The number of electrons orbiting around the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Potassium sulphate Lead Sulphate Sodium sulphate Zinc sulphate Potassium sulphate Lead Sulphate Sodium sulphate Zinc sulphate ANSWER DOWNLOAD EXAMIANS APP