Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Hydrogen peroxide Ozone Barium peroxide Sodium peroxide Hydrogen peroxide Ozone Barium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeCO3 Fe3O4 Fe2O3 FeS2 FeCO3 Fe3O4 Fe2O3 FeS2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is abundant in Gobar gas? Carbon dioxide Oxygen Hydrogen Methane Carbon dioxide Oxygen Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Kerosene oil Ether Oxalic acid Alcohol Kerosene oil Ether Oxalic acid Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Positive Depends on whether the reaction is exothermic or endothermic Negative Zero Positive Depends on whether the reaction is exothermic or endothermic Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Diamond Teflon Napthalene Graphite Diamond Teflon Napthalene Graphite ANSWER DOWNLOAD EXAMIANS APP
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