Chemistry Which of the following is used for refrigeration? Phosphine Sulphur dioxide Chlorine Freon Phosphine Sulphur dioxide Chlorine Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Resonance effect All of them Hyper conjugative effect Inductive effect Resonance effect All of them Hyper conjugative effect Inductive effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a naturally occuring noble gas Potassium Sodium Boron Argon Potassium Sodium Boron Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 5 4 3 2 5 4 3 2 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 pink to blue-green From blue to pink From brown to blue-black From brown to orange-red From pink to blue-green From blue to pink From brown to blue-black ANSWER DOWNLOAD EXAMIANS APP
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