Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 B and c A and b C and d A and c B and c A and b C and d A and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Oxides of sulphur Carbon dioxide Carbon monoxide Oxides of nitrogen Oxides of sulphur Carbon dioxide Carbon monoxide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Ammonium sulphate Superphosphate Urea Ammonium nitrate Ammonium sulphate Superphosphate Urea Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Os Pb W Pt Os Pb W Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Generator Battery Power transmittor Uninterrupted power supply (UPS) Generator Battery Power transmittor Uninterrupted power supply (UPS) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Methyl alcohol Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol and H2O Methyl alcohol Ethyl alcohol and H2O Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP