Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Chemical resistant Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant Strong and hard Soft and flexible Withstand higher temperatures ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Preventing rapid setting of cement Rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Preventing rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher A, c A, b D, a B, c A, c A, b D, a B, c ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Spectroscopy Borax-Bead test Hydrolysis test Sodium Nitroprusside test Spectroscopy Borax-Bead test Hydrolysis test Sodium Nitroprusside test ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal, Natural Gas and Petroleum Coal and Natural Gas only None of these Coal only Coal, Natural Gas and Petroleum Coal and Natural Gas only None of these Coal only ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 3 4 5 2 3 4 5 2 ANSWER DOWNLOAD EXAMIANS APP