Chemistry The trans-uranium elements are the chemical elements with atomic numbers greater than 92 89 96 86 92 89 96 86 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is CO2 All of these CO O3 CO2 All of these CO O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Silver Iron Gold Aluminium Silver Iron Gold Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Oxidised in air Reduced by light Totally colourless Soluble in hyposolution Oxidised in air Reduced by light Totally colourless Soluble in hyposolution ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide 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 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 From blue to pink ANSWER DOWNLOAD EXAMIANS APP
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