Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Hund Rutherford Sommerfeld Thomson Hund Rutherford Sommerfeld Thomson 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 pink to blue-green From brown to blue-black From blue to pink From brown to orange-red From pink to blue-green From brown to blue-black From blue to pink From brown to orange-red ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains Phosphorus trichloride White phosphorus Red phosphorus Phosphorus pentoxide Phosphorus trichloride White phosphorus Red phosphorus Phosphorus pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is also known as solution ? A suspension A homogeneous mixture A heterogeneous mixture A compound A suspension A homogeneous mixture A heterogeneous mixture A compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Rain water Distilled water Ground water Tap water Rain water Distilled water Ground water Tap water ANSWER DOWNLOAD EXAMIANS APP
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