Chemistry Which of the following is used for refrigeration? Phosphine Freon Sulphur dioxide Chlorine Phosphine Freon Sulphur dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Graphite Lamp black Diamond Coke Graphite Lamp black Diamond Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is not present in stainless steel? Iron Tungsten Nickel Chromium Iron Tungsten Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Iron Diamond Coal Graphite Iron Diamond Coal Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of protons and electrons the number of neutrons the number of nucleons the number of protons the number of protons and electrons the number of neutrons the number of nucleons the number of protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Sodium Potassium Bromine Iodine Sodium Potassium Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
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