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Everyday Science MCQs

Learn important and useful science facts that help you in daily life and job exams with our Everyday Science MCQs. This section covers simple questions from physics, chemistry, biology, environment, and general science. You will understand things like how the human body works, how machines run, natural events, and more. These MCQs are made for job tests like FPSC, NTS, PPSC, SPSC, BPSC, PMS, CSS, ISSB, and one-paper exams. All questions follow the latest syllabus and paper patterns. At Jobexams, we prepare everything to help you pass your job exams and job tests easily. New questions are added regularly — so you can stay ready and confident.

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1 Chemistry MCQs

A mixture of sand and naphthalene can be separated by which method?

  • Chromatography
  • Fractional distillation
  • Sublimation
  • None of these
0 Comments
Correct Answer: C. Sublimation

Explanation:

The separation of a mixture of sand and naphthalene is a ... Read More Details

2 Physics MCQs

Who first introduced the M.K.S. system of units?

  • Giorgi
  • Archimedes
  • Einstein
  • Newton
0 Comments
Correct Answer: A. Giorgi

Explanation:

The M.K.S. system of units stands for Meter–Kilogram–Second, representing the fundamental physical quantities ... Read More Details

3 Chemistry MCQs

What is the chemical formula of Sulfuric Acid?

  • C₂H₆O
  • CaSO
  • C₂H₄O₂
  • H₂SO₄
0 Comments
Correct Answer: D. H₂SO₄

Explanation:

Sulfuric acid (H₂SO₄) is one of the most important and widely used inorganic ... Read More Details

4 Biology Mcqs

Which of the following is a diverse group of hydrophobic molecules?

  • Carbohydrates
  • Lipids
  • Proteins
  • Nucleic acids
0 Comments
Correct Answer: B. Lipids

Explanation:

Lipids are a broad and diverse group of biological molecules that are hydrophobic ... Read More Details

5 Biology Mcqs

What is the molecular formula of Glucose?

  • C₄H₁₀O₆
  • C₅H₁₁O₆
  • C₆H₁₂O₆
  • S₆H₁₂O₆
0 Comments
Correct Answer: C. C₆H₁₂O₆

Explanation:

Glucose (C₆H₁₂O₆) is one of the most important carbohydrates in biology. It is ... Read More Details

6 Chemistry MCQs

What is the third most common gas found in the air we breathe?

  • Hydrogen
  • Neon
  • Carbon dioxide
  • Argon
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Correct Answer: D. Argon

Explanation:

The air around us is not a single substance but a mixture of ... Read More Details

7 Chemistry MCQs

What is the molecular formula of Ammonia?

  • NH
  • NH₂
  • NH₃
  • NH₄
0 Comments
Correct Answer: C. NH₃

Explanation:

Ammonia (NH₃) is a simple and important chemical compound composed of one nitrogen ... Read More Details

8 Chemistry MCQs

What is the molecular weight of Ammonia (NH₃)?

  • 17.031 g/mol
  • 18.031 g/mol
  • 19.031 g/mol
  • 27.033 g/mol
0 Comments
Correct Answer: A. 17.031 g/mol

Explanation:

Ammonia (NH₃) is a simple compound made of one nitrogen atom and three ... Read More Details

9 Physics MCQs

Who determined the absolute value of the charge on an electron?

  • J. J. Thomson
  • James Chadwick
  • Ernest Rutherford
  • Robert Millikan
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Correct Answer: D. Robert Millikan

Explanation:

The absolute value of the electron’s charge was first precisely measured by Robert ... Read More Details

10 Physics MCQs

Why was the discovery of the neutron made very late?

  • Because it does not carry any charge
  • Because it does not move
  • Because it is a fundamental particle
  • Because it is present in the nucleus
0 Comments
Correct Answer: A. Because it does not carry any charge

Explanation:

The neutron was discovered relatively late in the history of atomic research, primarily ... Read More Details

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