Chemistry Basics Quiz 2
Practice quiz on Chemistry Basics (General Science). 5 real exam questions.
About This Quiz
Chemistry Basics Quiz 2 — Questions with Solutions
All 5 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.Which metal is liquid at room temperature?
- A.Mercury
- B.Aluminum
- C.Sodium
- D.Iron
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Answer: A. Mercury
Mercury is liquid.
Q2.Which gas is known as ‘Laughing Gas’?
- A.CO₂
- B.NO₂
- C.N₂O
- D.O₃
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Answer: C. N₂O
Nitrous oxide (N₂O) is laughing gas.
Q3.Which gas extinguishes fire?
- A.Nitrogen
- B.Carbon dioxide
- C.Oxygen
- D.Helium
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Answer: B. Carbon dioxide
CO₂ cuts oxygen supply.
Q4.pH < 7 indicates:
- A.Neutral
- B.Basic
- C.Acidic
- D.Buffer
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Answer: C. Acidic
pH < 7 = Acidic.
Q5.Which element is used in the manufacture of glass?
- A.Calcium oxide
- B.Silicon dioxide
- C.Aluminium oxide
- D.Sodium nitrate
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Answer: B. Silicon dioxide
Glass is primarily made from silica (SiO₂).
Frequently Asked Questions
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Chemistry Basics Quiz 2 runs on a 1-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
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Yes. Every question on Chemistry Basics Quiz 2 ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Chemistry Basics Quiz 2 multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
Chemistry Basics questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.