Chemistry Spontaneous change is one in there is: Increase in free energy A lowering of free energy A lowering of entropy An increase in Internal energy Increase in free energy A lowering of free energy A lowering of entropy An increase in Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Methane Carbon monoxide Ethane Carbon di-oxide Methane Carbon monoxide Ethane Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Sulphur Vanadium Iodine Argon Sulphur Vanadium Iodine Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one amongst the following is not a Green House gas? Carbon Monoxide Chloro fluoro carbons Carbon dioxide Nitrogen Carbon Monoxide Chloro fluoro carbons Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 1.00 gram 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Silver bromide Hypo Hydroquinone Sodium sulphate Silver bromide Hypo Hydroquinone Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP