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1 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

2 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

3 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

4 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

5 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

6 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

7 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

8 PERA MCQ's

How does the Government remove difficulties under the Act?

  • By issuing a circular
  • By verbal order
  • By Gazette notification
  • Through the Authority
0 Comments
Correct Answer: C. By Gazette notification

Explanation:

According to the PERA Force Laws, when the Government needs to remove difficulties in implementing the ... Read More Details

9 PERA MCQ's

Who can issue orders to remove difficulties in implementing the Act?

  • Authority
  • Board
  • Government
  • Court
0 Comments
Correct Answer: C. Government

Explanation:

Under the PERA Force Laws, the Government has the authority to issue orders to remove ... Read More Details

10 PERA MCQ's

Who approves the guidelines issued by the Authority?

  • Board
  • Government
  • Court
  • Commissioner
0 Comments
Correct Answer: B. Government

Explanation:

According to the PERA Force Laws, any guidelines issued by the Authority must receive approval ... Read More Details

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