Chemistry Spontaneous change is one in there is: 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 Increase in free energy A lowering of free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Copper Zinc Nickel Silver Copper Zinc Nickel Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Steel Cast iron Pig iron Wrought iron Steel Cast iron Pig iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Fluorine Neon Oxygen Nitrogen Fluorine Neon Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Industrial waste Garbage Sullage Sanitary waste Industrial waste Garbage Sullage Sanitary waste ANSWER DOWNLOAD EXAMIANS APP
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