Chemistry The mass number of a nucleus is the sum of the number of protons and neutrons present in the nucleus always less than its atomic number a fraction always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus always less than its atomic number a fraction always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Aniline Propylene Acetylene Ethylene Aniline Propylene Acetylene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Clay and graphite Limestone and clay Limestone and graphite Chalk and graphite Clay and graphite Limestone and clay Limestone and graphite Chalk and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Barium Silver Copper Magnesium Barium Silver Copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Fluorine Aluminium Potassium Lead Fluorine Aluminium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Hydroquinone Hypo Sodium sulphate Silver bromide Hydroquinone Hypo Sodium sulphate Silver bromide ANSWER DOWNLOAD EXAMIANS APP
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