Chemistry Rock salt is a mineral containing Potassium Iron Magnesium Sodium Potassium Iron Magnesium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Polyvinyl Chloride Polythene Methyl Methacrylate Nylon Polyvinyl Chloride Polythene Methyl Methacrylate Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Will be reduced to half Will be doubled Remains unchanged Will increase four-fold Will be reduced to half Will be doubled Remains unchanged Will increase four-fold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 200 km 150 km 100 km 300 km 200 km 150 km 100 km 300 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element from below list is liquid at room temperature Bromine Lead Zinc Argon Bromine Lead Zinc Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Chlorofluorocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbons Sulphur dioxide Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP