Chemistry Stains of rust on clothes can be removed by : Alcohol H2O2 Oxalic acid Petrol Alcohol H2O2 Oxalic acid Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Carbon dioxide Methane Nitrogen Chlorofluorocarbons Carbon dioxide Methane Nitrogen Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Eutrophication Alkalinity Hardness Acidity Eutrophication Alkalinity Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyolefin Acrylic Polyamide Polyester Polyolefin Acrylic Polyamide Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Acetic acid Oxalic acid Tartaric acid Malic acid Acetic acid Oxalic acid Tartaric acid Malic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Lead and antimony Lead and tin Copper and zinc Copper and tin Lead and antimony Lead and tin Copper and zinc Copper and tin ANSWER DOWNLOAD EXAMIANS APP
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