General Knowledge Question: All acids essentially contain1 Oxygen2 Hydrogen3 Nitrogen4 Chlorine General Knowledge Interview QuestionAnswer: (2) Hydrogen Previous QuestionNext QuestionWhich of the following items are included in the Indian Budget?1 Actual figures of the preceding budget2 Revised estimates for the current year3 Budget estimates for the following year(a)1 and 2 (b) 2 and 3(c) 1 and 3 (d) All of theseWhich of the following is an alloy of iron?1 Monel metal2 Alnico3 Gun metal Type metal4 Type metal
