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Sunday, 16 March 2025

Chemistry MCQs for ETEA Jobs – Test Preparation Guide

 Chemistry MCQs for ETEA Jobs – Test Preparation Guide


Chemistry MCQs for ETEA Jobs – Test Preparation Guide

Are you preparing for the ETEA Chemistry job exam? Look no further! This guide provides a comprehensive collection of MCQs, past papers, solved questions, and study materials to help you prepare effectively and enhance your chances of success.



Key Features of This Guide

 ✅ Latest ETEA Chemistry MCQs (Updated for 2025)
✅ Pak MCQs for General Knowledge & Current Affairs
✅ Past Papers with Solutions – Learn from previous exams
✅ Syllabus Breakdown – Understand what to study
✅ Effective Study Tips – Proven strategies for scoring high
✅ Downloadable PDFs – Get past papers in one click

Argon and which gas is used in various types of fluorescent and phototubes?


______ آرگون اور کون سی گیس مختلف قسم کی فلوروسینٹ اور فوٹوٹوبز میں استعمال ہوتی ہے؟


Choices:
A. Oxygen
B. Helium
C. Neon
D. Krypton

Answer:  C. Neon 

📝 Explanation: Argon and neon are commonly used in fluorescent and phototubes.


Enzymes are?


______ انزائمز کیا ہیں؟


Choices:
A. Chemical catalyst
B. Biological catalyst
C. Organic catalyst
D. Inorganic catalyst

Answer:  B. Biological catalyst

📝 Explanation: Enzymes are biological catalysts that speed up biochemical reactions.


Atomic weight of uranium is?


______ یورینیم کا ایٹمی وزن کیا ہے؟


Choices:
A. 237
B. 238
C. 226
D. 242

Answer:  B. 238 

📝 Explanation: The most common isotope of uranium, Uranium-238, has an atomic weight of 238.


Which among the following is in liquid state at normal room temperature?


______ مندرجہ ذیل میں سے کون سی چیز عام کمرے کے درجہ حرارت پر مائع حالت میں ہوتی ہے؟


Choices:
A. Mercury
B. Sodium
C. Phosphorus
D. None of these

Answer: A. Mercury 

📝 Explanation: Mercury is the only metal that is liquid at room temperature.


Which of the following gases is used in cigarette lighters?


______ مندرجہ ذیل میں سے کون سی گیس سگریٹ لائٹرز میں استعمال ہوتی ہے؟


Choices:
A. Butane
B. Methane
C. Propane
D. Radon

Answer:  A. Butane 

📝 Explanation: Butane is commonly used in cigarette lighters.

Adver


Liquefied petroleum gas (LPG) consists of?


______ مائع قدرتی گیس (LPG) کس سے بنتی ہے؟


Choices:
A. Butane and propane
B. Ethane and hexane
C. Ethane and nonane
D. None of these

Answer:  A. Butane and propane 

📝 Explanation: LPG is mainly a mixture of butane (C₄H₁₀) and propane (C₃H₈).


Which of the following is fire resistant?


______ مندرجہ ذیل میں سے کون سی چیز آگ سے محفوظ ہے؟


Choices:
A. Asbestos
B. Gypsum
C. Dolomite
D. None of these

Answer:  A. Asbestos 

📝 Explanation: Asbestos is known for its fire-resistant properties.


Which of the following is used for silvering of mirrors?


______ مندرجہ ذیل میں سے کون سی چیز آئینے کی چمک کے لئے استعمال کی جاتی ہے؟


Choices:
A. Silver nitrate
B. Zinc nitrate
C. Silver oxide
D. Pitchblende

Answer:  A. Silver nitrate 

📝 Explanation: Silver nitrate is used in the chemical process of mirror silvering.


Raw materials used for the manufacture of glass are?


______ شیشے کی تیاری کے لئے استعمال ہونے والے خام مال کیا ہیں؟


Choices:
A. Sand/soda/limestone
B. Sand/charcoal/soda
C. Limestone/charcoal/sulfur
D. Sand/sulfur/soda

Answer:  A. Sand/soda/limestone 

📝 Explanation: Glass is mainly made from silica (sand), sodium carbonate (soda), and limestone.


Solder is an alloy of?


______ سولڈر کس دھات کا مرکب ہے؟


Choices:
A. Tin and lead
B. Tin and zinc
C. Zinc and lead
D. Zinc and copper

Answer:  A. Tin and lead 

📝 Explanation: Solder is a metal alloy of tin and lead, used in electronics and plumbing.

Download ETEA Chemistry Past Papers PDF

For easy access to past papers, download the PDF file below:
[Download PDF Here] 
By practicing past papers, you’ll learn how to manage your time effectively during the exam and understand the types of questions that typically appear.

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