Chemistry Bakelite is a co-polymer of Phenol and Acetaldehyde Formaldehyde Benzaldehyde Cinnaldehyde Acetaldehyde Formaldehyde Benzaldehyde Cinnaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Chlorine Phosphine Freon Sulphur dioxide Chlorine Phosphine Freon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Precipitator Disinfectant Flocculator Hydrolyser Precipitator Disinfectant Flocculator Hydrolyser ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to orange-red From blue to pink From brown to blue-black From pink to blue-green From brown to orange-red From blue to pink From brown to blue-black From pink to blue-green ANSWER DOWNLOAD EXAMIANS APP
Chemistry London smog is found in Summer during day time Winter during day time Summer during morning time Winter during morning time Summer during day time Winter during day time Summer during morning time Winter during morning time ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon ANSWER DOWNLOAD EXAMIANS APP