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General Science MCQ practice free online · page 70

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.

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  1. 691CGPSC2011General ScienceEnglish

    Brass is a combination of what metals?

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    Correct option: C — Copper and Zinc

  2. 692UKPSC2016General ScienceEnglish

    Which pair of following is of Copper alloys?

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    Correct option: C — Brass and Bronze

  3. 693JPSC2013General ScienceEnglish

    Brass gets fade colour in air due to the presence of

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    Correct option: B — Hydrogen sulphide

  4. 694UKPSC2010General ScienceEnglish

    Combination of which substance in the alloy renders stainless steel non-magnetic?

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    Correct option: C — Nickel

  5. 695KPSC2019General ScienceEnglish

    To make the steel hard requires increase in

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    Correct option: A — The quantity of Carbon

  6. 696UPSC1996General ScienceEnglish

    Which of the following elements is added to iron to produce steel which can resist high temperature, have high hardness and abrasion resistance?

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    Correct option: B — Chromium

  7. 697PPSC2018General ScienceEnglish

    The important metal used with iron to make it rust free

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    Correct option: C — Chromium

  8. 698UPPSC2004General ScienceEnglish

    Steel is further processed to obtain stainless steel by adding some element. Which one of the following is not used for this purpose?

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    Correct option: B — Silicon

  9. 699UPPSC2002General ScienceEnglish

    The important metal used with iron produce stainless steel is

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    Correct option: B — Chromium

  10. 700Mizoram PSC2017General ScienceEnglish

    Which of the following elements are included in stainless steel?

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    Correct option: C — Iron, Chromium, Manganese and Carbon

General Science practice — common questions

Page 70 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".