701UKPSC2005General ScienceEnglish
What is mixed with iron to make stainless steel?
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Correct option: D — Chromium and Nickel
Free · past papers · answers included
General Science MCQ practice free online · page 71
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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- 702Goa PSC2015General ScienceEnglish
How much carbon does steel contain?
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Correct option: A — 0.1-2%
- 703UPPSC2008General ScienceEnglish
In the case of rusting, the weight of iron
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Correct option: A — Increases
- 704Tripura PSC2019General ScienceEnglish
Statement (A): Galvanized iron does not rust. Statement (R): Zinc has the efficiency of oxidation.
Show answerAnswer & explanation
Correct option: A — Both (A) and (R) are true and (R) is the correct explanation of (A)
- 705UPSC2000General ScienceEnglish
Match List-I with List-II and select the correct answer using the code given below the lists. List-I (a) German silver (b) Solder (c) Bleaching powder (d) Hypo List-II 1. Tin 2. Nickel 3. Sodium 4. Chlorine
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Correct option: D — a-2, b-1, c-4, d-3
- 706UPPSC2001General ScienceEnglish
Check these statements. 1. Brass is an alloy of Copper and Zinc. 2. Magnetite is the main ore of Aluminium. 3. Mercurius Solubilis are that substance which mainly involves mercury. 4. Potassium Nitrate (KNO₃) is a chemical used in photography. Which of the above are true?
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Correct option: B — 1 and 3
- 707Sikkim PSC2019General ScienceEnglish
Consider these statements and choose the right answer from counterfeit. Statement (A): Normally it has been seen that iron goods covered with a brown powder called rust when they are unsheltered in the atmosphere. Statement (R): Rust or the brown powder is the result of deposition Tannin.
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Correct option: C — (A) is true, but (R) is false
- 708APPSC2019General ScienceEnglish
Which of the following is made up of Carbon only?
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Correct option: C — Graphene
- 709UPPSC2010General ScienceEnglish
Which of these is not an additional form of Carbon?
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Correct option: C — Oxocarbon
- 710UPPSC2016General ScienceEnglish
Which one of the following elements forms the maximum number of compounds?
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Correct option: B — Carbon
General Science practice — common questions
Page 71 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".