Chemistry The basic chemical building block of natural rubber obtained from trees is Neoprene Vinyl Chloride Acetylene Isoprene Neoprene Vinyl Chloride Acetylene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted formic acid Glacial acetic acid Diluted acetic acid Glacial formic acid Diluted formic acid Glacial acetic acid Diluted acetic acid Glacial formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 21 13 18 15 21 13 18 15 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Sodium chloride Sodium oxalate Calcium acetate Calcium oxalate Sodium chloride Sodium oxalate Calcium acetate Calcium oxalate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol react chemically Water and petrol are miscible with each other The flame is too hot for water to cool it down Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically Water and petrol are miscible with each other The flame is too hot for water to cool it down Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? China, USA, European Union, India USA, India, China, European Union China, India, European Union, USA European Union, China, USA, India China, USA, European Union, India USA, India, China, European Union China, India, European Union, USA European Union, China, USA, India ANSWER DOWNLOAD EXAMIANS APP