Chemistry Tear gas used by the police to disperse the mob contains Carbon dioxide Hydrogen sulphide Chlorine Ammonia Carbon dioxide Hydrogen sulphide Chlorine Ammonia 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 pink to blue-green From brown to blue-black From brown to orange-red From blue to pink From pink to blue-green From brown to blue-black From brown to orange-red From blue to pink ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO2 SO3 NO2 N2O SO2 SO3 NO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Zinc Copper Lead Mercury Zinc Copper Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Silver Sodium Copper Gold Silver Sodium Copper Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Solutions Homogeneous systems Mixtures Compounds Solutions Homogeneous systems Mixtures Compounds ANSWER DOWNLOAD EXAMIANS APP