Chemistry The purest form of Iron is : Steel Cast iron Pig iron Wrought iron Steel Cast iron Pig iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Aluminium Beryllium Magnesium Potassium Aluminium Beryllium Magnesium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry 24 carat of diamond is equal to 95% mg 200 g 91% gold 200 mg 95% mg 200 g 91% gold 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Decreases the rate of reaction None of these Increases the rate of the reaction Has no action on the rate of the reaction Decreases the rate of reaction None of these Increases the rate of the reaction Has no action on the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons CO CO2 NO Hydrocarbons CO CO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Activation energy Internal energy Free energy Threshold energy Activation energy Internal energy Free energy Threshold energy ANSWER DOWNLOAD EXAMIANS APP
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