Chemistry Which one is a sublime substance? Table salt Potassium Iodide Iodine Sugar Table salt Potassium Iodide Iodine Sugar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Hardness Eutrophication Acidity Alkalinity Hardness Eutrophication Acidity Alkalinity ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of SO2 CO2 CO Unburnt petrol SO2 CO2 CO Unburnt petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Oxalic acid Phenol Ethanol Acetic acid Oxalic acid Phenol Ethanol Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Oxalic acid Alcohol Ether Kerosene oil Oxalic acid Alcohol Ether Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Tritium Phosphorus-31 Carbon-14 Radium Tritium Phosphorus-31 Carbon-14 ANSWER DOWNLOAD EXAMIANS APP