Previous year paper
UPSC CDS (II) 2018: previous year paper (101 questions)
- 101 questions
- 121 minutes
- +1 right · no negative marking
- 0 students ranked
101 questions from this paper in the paper's order. Answers come from our checked MCQ bank or, where the paper had no answer key, from an AI check: confirm with the commission's official key.
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First questions
- Two reactants in a flask at room temperature are producing bubbles of a gas that turn limewater milky. The reactants could be
- How many moles of CO can be obtained by reacting 2·0 mole of CH₄ with 2·0 mole of O₂ according to the equation given below? CH₄(g) + 1/2 O₂ → CO + 2H₂
- Reaction between which of the following two reactants will produce hydrogen gas?