Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is 4J 2J Infinity 4J 2J Infinity ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is absorbed No heat change takes place Temperature decreases Heat is liberated Heat is absorbed No heat change takes place Temperature decreases Heat is liberated ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour milk contains Citric acid Lactic acid Tartaric acid Acetic acid Citric acid Lactic acid Tartaric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Helium Carbon Oxygen Hydrogen Helium Carbon Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Aluminium Lead Arsenic Mercury Aluminium Lead Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
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