Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Chlorine Helium Hydrogen Nitrogen Chlorine Helium Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Vanadium Sulphur Argon Iodine Vanadium Sulphur Argon Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Oxygen Carbon and Nitrogen Carbon and Sulphur Carbon and Hydrogen Carbon and Oxygen Carbon and Nitrogen Carbon and Sulphur Carbon and Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O3 layer O 2 layer SO2 layer CO2 layer O3 layer O 2 layer SO2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ge Cu Ag Au Ge Cu Ag Au ANSWER DOWNLOAD EXAMIANS APP
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