Chemistry Synthetic detergents are prepared from Potassium salts of higher fatty-acids Hydrocarbons of petroleum Glycerides Sodium salts of higher fattyacids Potassium salts of higher fatty-acids Hydrocarbons of petroleum Glycerides Sodium salts of higher fattyacids ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Coke Bituminous Anthracite Lignite Coke Bituminous Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Caproic acid Acetic acid Butyric acid Formic acid Caproic acid Acetic acid Butyric acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry An alloy used in making heating elements for electric heating device is Alloy Steel German Silver Nichrome Solder Alloy Steel German Silver Nichrome Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Tin Platinum Lead Coal Tin Platinum Lead Coal ANSWER DOWNLOAD EXAMIANS APP