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
Why does milk curdle?
______ دودھ پھٹ کیوں جاتا ہے؟
Choices:
A. Fermentation of lactose
B. Reaction of microbes
C. Overheating
D. Fungus growth
✅ Answer: A. Fermentation of lactose
📝 Explanation: Lactic acid bacteria ferment lactose in milk, causing it to curdle.
Which of the following is the lightest gas?
______ مندرجہ ذیل میں سے سب سے ہلکی گیس کون سی ہے؟
Choices:
A. Nitrogen
B. Hydrogen
C. Ammonia
D. Carbon dioxide
✅ Answer: B. Hydrogen
📝 Explanation: Hydrogen is the lightest gas with the lowest atomic mass.
Adver
In vulcanization, natural rubber is heated with?
______ وولکانیائزیشن میں قدرتی ربڑ کو کس کے ساتھ گرم کیا جاتا ہے؟
Choices:
A. Carbon
B. Sulfur
C. Silicon
D. Phosphorus
✅ Answer: B. Sulfur
📝 Explanation: Vulcanization is the process of heating rubber with sulfur to improve its elasticity and strength.
Which one of the following does not wet the walls of the glass vessel in which it is kept?
______ مندرجہ ذیل میں سے کون سی چیز اس شیشے کے برتن کی دیواروں پر نہیں لگتی جس میں اسے رکھا جاتا ہے؟
Choices:
A. Water
B. Alcohol
C. Mercury
D. None of these
✅ Answer: C. Mercury
📝 Explanation: Mercury does not wet glass due to its high surface tension and cohesive forces.
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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