Chemistry Spontaneous change is one in there is: Increase in free energy A lowering of entropy An increase in Internal energy A lowering of free energy Increase in free energy A lowering of entropy An increase in Internal energy A lowering of free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicone is a polymer of Dialkyl dichloro silane Tetraalkyl silane Silane Silicon tetrachloride Dialkyl dichloro silane Tetraalkyl silane Silane Silicon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 150 km 300 km 200 km 100 km 150 km 300 km 200 km 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Anions Higgs-boson Cations Isotopes Anions Higgs-boson Cations Isotopes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Alkalinity Eutrophication Hardness Acidity Alkalinity Eutrophication Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Ozone gas Carbon Monoxide Carbon dioxide Methane Ozone gas Carbon Monoxide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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