Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Carbonic acid Citric acid Acetic acid Lactic acid Carbonic acid Citric acid Acetic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A colloidal system in which a liquid is dispersed in a liquid is called Gel Emulsion Sol Precipitate Gel Emulsion Sol Precipitate ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? Fe3O4 FeS2 Fe2O3 FeCO3 Fe3O4 FeS2 Fe2O3 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Water vapour Ozone Carbon dioxide Carbon monoxide Water vapour Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Carbon dioxide None of these Sulphur dioxide Methane Carbon dioxide None of these Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Gold Iron Platinum Mercury Gold Iron Platinum Mercury ANSWER DOWNLOAD EXAMIANS APP