Chemistry The compound to which H2 does not add is Tetra – a –naphthylethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Copper and nickel Copper and chromium Manganese and copper Chromium and nickel Copper and nickel Copper and chromium Manganese and copper Chromium and nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alkali metals has highest specific heat? Caesium Potassium Rubidium Lithium Caesium Potassium Rubidium Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zinc sulphide is commonly used as Herbicide Fungicide Deodorant Rodenticide Herbicide Fungicide Deodorant Rodenticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can have any value above zero Will always be positive Cannot be negative Can never be positive Can have any value above zero Will always be positive Cannot be negative Can never be positive ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS