info@jobexams.pk
Job Exams Hero

Master Your JobExams with Confidence

Access thousands of practice questions, and improve your test-taking skills with our comprehensive MCQ platform. Whether you're preparing for FPSC, NTS, PPSC, CSS, or any other job test, Jobexams provides the study material you need to succeed. Start practicing now and boost your chances of acing your exams!

Browse Categories
Quick Results 0 found

Question Coming Soon!

"" isn't in our database yet, but we're adding new questions daily.

1 Inorganic Chemistry MCQs

Phosphine gas will be produced if phosphorous acid (H₃PO₃) is subjected to:

  • Oxidation
  • Reduction
  • Decomposition
  • Both B & C
0 Comments
Correct Answer: C. Decomposition

Explanation:

Phosphorous acid (H₃PO₃) is a diprotic acid and an important compound of phosphorus ... Read More Details

2 Inorganic Chemistry MCQs

Which one of the following is not a property of pure quartz?

  • Coloured solid
  • Brittle
  • Hard
  • All of the above
0 Comments
Correct Answer: A. Coloured solid

Explanation:

Quartz is one of the most abundant and well-known minerals on Earth, composed ... Read More Details

3 Inorganic Chemistry MCQs

Which of the following does not contain phosphorus?

  • Yolk of egg
  • Bone
  • Nerves
  • Steel
0 Comments
Correct Answer: D. Steel

Explanation:

Phosphorus is a vital non-metallic element found in many organic and inorganic compounds. ... Read More Details

4 Inorganic Chemistry MCQs

Which one of the following is not a use of graphite?

  • Lead pencils
  • Abrasive
  • Lubricant
  • Electrode in an electrolytic cell
0 Comments
Correct Answer: B. Abrasive

Explanation:

Graphite is a soft, black, crystalline form of carbon known for its unique ... Read More Details

5 Inorganic Chemistry MCQs

What is the composition of the brown ring formed in the nitrate test?

  • FeSO₄·NO
  • FeSO₄·NO₂
  • FeSO₄·NO₃
  • FeSO₄·N₂O
0 Comments
Correct Answer: A. FeSO₄·NO

Explanation:

The brown ring test is a classical method used to detect the presence ... Read More Details

6 Inorganic Chemistry MCQs

Which one of the following compounds has a garlic-like smell?

  • Phosphorus trioxide (P₂O₃)
  • Phosphorus pentoxide (P₂O₅)
  • Phosphorous acid (H₃PO₃)
  • All have the same smell
0 Comments
Correct Answer: A. Phosphorus trioxide (P₂O₃)

Explanation:

Among phosphorus compounds, phosphorus trioxide (P₂O₃) is known for its distinct garlic-like smell. ... Read More Details

7 Inorganic Chemistry MCQs

Which element in Group VIA (Group 16) of the Periodic Table is a non-metal?

  • Sulfur (S)
  • Selenium (Se)
  • Tellurium (Te)
  • Polonium (Po)
0 Comments
Correct Answer: A. Sulfur (S)

Explanation:

Group VIA, now referred to as Group 16 in the modern periodic table, ... Read More Details

8 Inorganic Chemistry MCQs

Which of the following elements shows passivity when treated with concentrated nitric acid (HNO₃)?

  • Iron (Fe)
  • Aluminum (Al)
  • Chromium (Cr)
  • All of the above
0 Comments
Correct Answer: D. All of the above

Explanation:

Passivity is a condition in which a normally active metal becomes resistant to ... Read More Details

9 PERA MCQ's

What is the total number of members in the Punjab Enforcement and Regulatory Authority (PERA)?

  • 12
  • 15
  • 18
  • 20
0 Comments
Correct Answer: C. 18

Explanation:

According to Section 4 of the PERA Act 2024, the Punjab Enforcement and Regulatory Authority ... Read More Details

10 PERA MCQ's

What condition applies to such orders?

  • Must be consistent with the Act
  • Can override the Act
  • Need Assembly approval
  • Require court sanction
0 Comments
Correct Answer: A. Must be consistent with the Act

Explanation:

Under the PERA Force Laws, any orders issued to remove difficulties in implementing the Act ... Read More Details

Question Categories
General Knowledge Category MCQ'S
Computer Category MCQ'S
Chemistry Category MCQ'S
Pak Departmental Laws & Rules MCQs