751RPSC2000General ScienceEnglish
By which process, Alum cleans the muddy water?
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Correct option: C — Coagulation
Free · past papers · answers included
General Science MCQ practice free online · page 76
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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- 752BPSC2016General ScienceEnglish
The gas used in the manufacture of Vanaspati Ghee from Vanaspati Oil is
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Correct option: A — Hydrogen
- 753UPSC2000General ScienceEnglish
Consider the following statements. Hard water is not suitable for 1. Drinking 2. Washing clothes with soap 3. Use in boilers 4. Irrigating crops Which of these statements are correct?
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Correct option: D — 1, 2, 3 and 4
- 754MPPSC2006General ScienceEnglish
What is the approximate percentage of Nitrogen present in the atmosphere?
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Correct option: D — 78-79%
- 755CGPSC2014General ScienceEnglish
Which gas is not in the gaseous cycle?
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Correct option: D — H₂
- 756APPSC2016General ScienceEnglish
Which gas is known as ‘noble gas’?
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Correct option: C — Helium
- 757RPSC2007General ScienceEnglish
Percentage amount (by volume) of which one of the following gas is lowest in the atmosphere?
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Correct option: B — Carbon dioxide
- 758RPSC2007General ScienceEnglish
Which gas is mixed with Oxygen for respiration by divers in deep sea?
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Correct option: A — Helium
- 759UPPSC2004General ScienceEnglish
Which one of the following mixture of gas is used by the deep sea divers?
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Correct option: A — Mixture of Helium-Oxygen
- 760BPSC1999General ScienceEnglish
What is the shape of sulphur hexafluoride molecule?
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Correct option: B — Octahedral
General Science practice — common questions
Page 76 of this set has 10 questions on it.
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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".