Skip to content

Free · past papers · answers included

General Science MCQ practice free online · page 80

Questions from RRB, NTPC, Group D and JE past papers. Tap an option to check it instantly — every question shows the correct answer, and most carry the explanation the paper gave.

No sign-up10 per pageAnswers & explanations
  1. 791RPSC2016General ScienceEnglish

    The chemical formula of baking soda is

    Show answer

    Correct option: B — NaHCO₃

  2. 792BPSC1994General ScienceEnglish

    The chemical formula of washing soda is

    Show answer

    Correct option: B — Na₂CO₃

  3. 793Kerala PSC2016General ScienceEnglish

    Antacids are

    Show answer

    Correct option: A — Base

  4. 794UKPSC2003General ScienceEnglish

    Which one of the following salt predominant in the ocean?

    Show answer

    Correct option: B — Sodium Chloride

  5. 795BPSC2011General ScienceEnglish

    Table salt (NaCl) is a product of

    Show answer

    Correct option: B — Strong acid and strong base

  6. 796UKPSC2010General ScienceEnglish

    Which one of the following is viscous?

    Show answer

    Correct option: C — Honey

  7. 797UPSC2003General ScienceEnglish

    Which one of the following statements is not correct?

    Show answer

    Correct option: D — Barium and Strontium are found free in nature

  8. 798BPSC1994General ScienceEnglish

    What is untrue for bleaching powder?

    Show answer

    Correct option: A — It is more soluble than water

  9. 799UPPSC2010General ScienceEnglish

    Which chemical compound is present in Bleaching Powder?

    Show answer

    Correct option: B — Calcium Oxychloride

  10. 800RPSC1999General ScienceEnglish

    When eno salt is poured into the water, bubbles forms, which is due to

    Show answer

    Correct option: B — CO₂ gas

General Science practice — common questions

Page 80 of this set has 10 questions on it.

Are these General Science questions free to practise?
Yes. Every question on this page is free and needs no account. Create a free account only if you want your progress saved.
Where do these General Science MCQs come from?
They are taken from official past papers of Indian government recruitment exams such as RRB NTPC, RRB Group D and RRB JE, and each question keeps a reference to the exam it appeared in.
Are the questions available in Hindi?
Yes. Many papers are set in both languages, so a large share of these questions are available in Hindi. Use the language filter at the top of the page.
Do the questions show answers and explanations?
Every question shows the correct option. Where the source paper included a worked solution, the explanation is shown under "Show answer".