Chemistry Which one of the following is most acidic MgO Na2O CaO Al22O3 MgO Na2O CaO Al22O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Neon Nitrogen Hydrogen Sodium Neon Nitrogen Hydrogen Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit to measure the flow of water is Milli curie Ohm meter Cusecs Micro Mho Milli curie Ohm meter Cusecs Micro Mho ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Sulphur dioxide Carbon dioxide Helium Nitrogen Sulphur dioxide Carbon dioxide Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Copper Iron Lead Zinc Copper Iron Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP