Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Power transmittor Uninterrupted power supply (UPS) Generator Battery Power transmittor Uninterrupted power supply (UPS) Generator Battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to strong F - F bond its high electro negativity small size of fluorine atom availability of d-orbitals strong F - F bond its high electro negativity small size of fluorine atom availability of d-orbitals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Natural fibre Modified natural fibre Blend of cotton and silk Synthetic fibre Natural fibre Modified natural fibre Blend of cotton and silk Synthetic fibre ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Depletion of fossil fuel reserves Lowering of pH of soil Industrial smog formation Eutrophication in lakes Depletion of fossil fuel reserves Lowering of pH of soil Industrial smog formation Eutrophication in lakes ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Antimony Zinc Chromium Lead Antimony Zinc Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
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