Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Gold Mercury Platinum Iron Gold Mercury Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen All of them Oxygen Carbon dioxide Hydrogen All of them Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Silicon Oxygen and Iron Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron Silicon and Iron Silicon and Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the combination of CO2 and CO CO and H2O CO2and H2 CO and H2 CO2 and CO CO and H2O CO2and H2 CO and H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Eutrophication Alkalinity Hardness Acidity Eutrophication Alkalinity Hardness ANSWER DOWNLOAD EXAMIANS APP
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