Chemistry Submarines move under water. They have engines that run on Diesel Steam Batteries Petrol and oxygen Diesel Steam Batteries Petrol and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is methane oxygen helium ozone methane oxygen helium ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Bromine Sodium Potassium Iodine Bromine Sodium Potassium Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? Fe3O4 FeS2 FeCO3 Fe2O3 Fe3O4 FeS2 FeCO3 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Compound Element Heterogeneous mixture Homogeneous mixture Compound Element Heterogeneous mixture Homogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic MgO CaO Al22O3 Na2O MgO CaO Al22O3 Na2O ANSWER DOWNLOAD EXAMIANS APP
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