Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Withstand higher temperatures Soft and flexible Strong and hard Chemical resistant Withstand higher temperatures Soft and flexible Strong and hard Chemical resistant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen Oxygen All of them Carbon dioxide Hydrogen Oxygen All of them Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry 1 carat of diamond is equal to 200 g 200 mg 100 g 100 mg 200 g 200 mg 100 g 100 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Alizarin Crystal violet Aniline blue Phenolphthalein Alizarin Crystal violet Aniline blue Phenolphthalein ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to produce in small amounts the hydrochloric acid required for the digestion of food increase the solubility of food particles in water make the taste of food better ease the process of cooking produce in small amounts the hydrochloric acid required for the digestion of food increase the solubility of food particles in water make the taste of food better ease the process of cooking ANSWER DOWNLOAD EXAMIANS APP