671UPSC2003General ScienceEnglish
Which one of the following statements is correct?
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Correct option: B — Calcium carbonate is an ingredient of toothpaste
Free · past papers · answers included
General Science MCQ practice free online · page 68
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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- 672UPSC1998General ScienceEnglish
Assertion (A): Sodium metal is stored under kerosene. Reason (R): Metallic sodium melts when exposed to air.
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Correct option: C — (A) is true, but (R) is false
- 673UPPSC2002General ScienceEnglish
Match List-I with List-II and select the correct answer using the code given below the lists. List-I (a) Best conductors of heat and electricity (b) The highest amount of metal is found (c) Most flexible and able to increase by bang metal (d) Minimum heat conducting List-II 1. Gold 2. Lead 3. Aluminium 4. Silver
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Correct option: D — a-4, b-3, c-1, d-2
- 674UPSC2000General ScienceEnglish
Match List-I with List-II and select the correct answer using the code given below the lists. List-I (Industrial Process) (a) Cracking (b) Smelting (c) Hydrogenation (d) Vulcanization List-II (Industry) 1. Rubber 2. Petroleum 3. Copper 4. Edible Fats
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Correct option: B — a-2, b-3, c-4, d-1
- 675UPSC1999General ScienceEnglish
Match List-I with List-II and select the correct answer using the code given below the lists. List-I (Naturally occurring substance) (a) Diamond (b) Marble (c) Sand (d) Ruby List-II (Elements present) 1. Calcium 2. Silicon 3. Aluminium 4. Carbon
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Correct option: D — a-4, b-1, c-2, d-3
- 676KPSC2019General ScienceEnglish
Galvanized iron is coated with
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Correct option: D — Zinc
- 677UPSC2000General ScienceEnglish
Aluminium surface is often ‘Anodized’. This means the deposition of a layer of
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Correct option: B — Aluminium Oxide
- 678Manipur PSC2018General ScienceEnglish
Out of the following which is not an alloy?
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Correct option: D — Copper
- 679UPSC1994General ScienceEnglish
The plates of galvanized iron remains protected from rust because the existence of
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Correct option: C — Zinc
- 680BPSC1999General ScienceEnglish
Alloy of which metal is used to make aeroplane and parts of the compartment of the train?
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Correct option: C — Aluminium
General Science practice — common questions
Page 68 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".