General Science Question And Answers for competitive exams
1) Among the following which element is common to all acids? a) Hydrogen. b) Carbon. c) Oxygen. d) Sulphur. ANSWER : Hyd...
Read more »1) Among the following which element is common to all acids? a) Hydrogen. b) Carbon. c) Oxygen. d) Sulphur. ANSWER : Hyd...
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