Chemistry Which of the following is very reactive and kept in kerosene? Sodium Iodine Bromine Potassium Sodium Iodine Bromine Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Palmitic acid Citric acid Lactic acid Acetic acid Palmitic acid Citric acid Lactic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From blue to pink From brown to blue-black From pink to blue-green From brown to orange-red From blue to pink From brown to blue-black From pink to blue-green From brown to orange-red 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 powder Aluminium sulphate Solder None of these Aluminium powder Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Proton, neutron Neutron, electron Neutron, positron Electron, proton Proton, neutron Neutron, electron Neutron, positron Electron, proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of atomic structure discovery of elements periodic table of contents metallurgy atomic structure discovery of elements periodic table of contents metallurgy ANSWER DOWNLOAD EXAMIANS APP
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