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General Science MCQ practice free online · page 62

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. 611MPPSC2004General ScienceEnglish

    Because of impurities the boiling point of a liquid

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    Correct option: A — Increases

  2. 612UPPSC1994General ScienceEnglish

    Why does water boil at a temperature below 100ºC at higher altitudes?

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    Correct option: A — The atmospheric pressure decreases and hence boiling point is lowered

  3. 613UPSC1993General ScienceEnglish

    Which type of colloidal system is expressed in the fog?

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    Correct option: A — Liquid in a gas

  4. 614Sikkim PSC2018General ScienceEnglish

    The technique of chromatography is used to

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    Correct option: D — Separate the substances from a mixture

  5. 615APPSC2019General ScienceEnglish

    Process of solid camphor into camphor vapour is called

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    Correct option: D — Sublimation

  6. 616Arunachal PSC2017General ScienceEnglish

    Example of corrosion is

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    Correct option: D — Above three

  7. 617UPSC2014General ScienceEnglish

    Which of the following is/are the example/examples of chemical change? 1. Crystallization of sodium chloride 2. Melting of ice 3. Souring of milk Select the correct answer using the code given below.

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    Correct option: B — Only 3

  8. 618UPSC2001General ScienceEnglish

    Assertion (A): A chemical reaction becomes faster at a higher temperature. Reason (R): At higher temperature, molecular motion becomes more rapid.

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    Correct option: A — Both (A) and (R) are true and (R) is the correct explanation of (A)

  9. 619UPPSC1998General ScienceEnglish

    Give a thought to these statements. Statement (A): Temperature below 0ºC is achieved by the mixture of salt and ice. Reason (R): Salt increases the freezing point of ice. In the context of above statements which one of the following is correct?

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    Correct option: C — (A) is true, but (R) is false

  10. 620UPSC2005General ScienceEnglish

    Give thought to following statements. 1. In the process of osmosis, the solvent moves towards a dilute solution from the concentrated solution. 2. In reverse osmosis internal pressure but upon a dilute solution. Among above statements which is/ are correct.

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    Correct option: D — Neither 1 nor 2

General Science practice — common questions

Page 62 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".