Chemistry Basics Quiz 3
Practice quiz on Chemistry Basics (General Science). 5 real exam questions.
About This Quiz
Chemistry Basics Quiz 3 — 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 acid is present in lemon?
- A.Citric acid
- B.Oxalic acid
- C.Hydrochloric acid
- D.Nitric acid
Show answer
Answer: A. Citric acid
Lemon contains citric acid.
Q2.Which acid is found in lemon?
- A.Tartaric Acid
- B.Acetic Acid
- C.Citric Acid
- D.Lactic Acid
Show answer
Answer: C. Citric Acid
Citrus fruits contain citric acid.
Q3.The pH value of pure water is?
- A.5
- B.7
- C.8
- D.9
Show answer
Answer: B. 7
Neutral water has pH 7.
Q4.Which metal is used in making railway tracks?
- A.Silver
- B.Gold
- C.Iron
- D.Copper
Show answer
Answer: C. Iron
Railway tracks are made from steel (iron).
Q5.Which gas is used in fire extinguishers?
- A.Oxygen
- B.Nitrogen
- C.CO2
- D.Helium
Show answer
Answer: C. CO2
CO2 reduces oxygen supply.
Frequently Asked Questions
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Chemistry Basics Quiz 3 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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Can I attempt Chemistry Basics Quiz 3 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.