PYQPulse
HomeMocksPracticePYQsUpdatesDashboard
PYQPulse

Timing-accurate mock tests and PYQs for SSC, Banking and Railway exams — so the real paper feels like a revision.

Exams

  • SSC exams
  • Banking exams
  • Railway exams
  • All exams

Practice

  • Practice questions
  • Mock test series
  • Sectional tests
  • Year-wise PYQs
  • Performance analytics

Company

  • About us
  • Help Centre
  • Pricing
  • Sign in

Legal

  • Privacy Policy
  • Terms of Service

Contact

  • hello@testwala.co.in
  • Telegram
  • +91 62816 87760

Practice interface modeled on the official exam pattern — not the official examination. PYQPulse is not affiliated with the Staff Selection Commission, IBPS, SBI, RBI, NABARD, SEBI or Indian Railways.

© 2026 PYQPulse. All rights reserved.

Built for aspirants, by aspirants.

HomeMocksPracticeStats
  1. Home
  2. ›
  3. PYQs
  4. ›
  5. RRB Junior Engineer / DMS / CMA
  6. ›
  7. 2019
  8. ›
  9. Q53

RRB Junior Engineer / DMS / CMA 2019 · Question 53 of 3719

Which of the following is acidic in nature?

Chemistry - Acids and Bases

  1. Aa. Tomato
  2. Bb. Lemon juice
  3. Cc. All of the optionsCorrect
  4. Dd. Orange

Answer: C. c. All of the options

Explanation

In tomato citric acid, Malic acid and Ascorbic acid are present. Citric acid is present in Lemon, oranges and all other citric fruit. Acids generally taste sour. Arrhenius, Bronsted-Lowry and Lewis gave different concepts to classify compounds into Acids and Bases. When Acids and bases react with each other, salt and water are obtained as products.

Source: RRB JE 2019 CBT-1 (24-May-2019 Shift-2) — ixambee compilation with answer key and solutions · reliable-secondary

← Q52View full paper (3719 questions)Q54 →

Practice the full RRB Junior Engineer / DMS / CMA 2019 paper

Timed test with all 3719 questions, just like the real exam.

Start test