Concept-wise Practice

greasy surface MCQ Questions for Class 9

greasy surface se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with greasy surface.

यदि ऐक्रेलिक पर नई परत छोटे गोल दानों में अलग होने लगे तो संभावित कारण क्या है?

What is a likely cause if a new acrylic coat separates into small beads?

Explanation opens after your attempt
Correct Answer

B. सतह पर चिकनाई या जलविकर्षी पदार्थ थाThe surface had grease or a water-repellent substance

Step 1

Concept

A greasy contaminated surface prevents water-based paint from spreading evenly. In exams clean the surface.

Step 2

Why this answer is correct

The correct answer is B. सतह पर चिकनाई या जलविकर्षी पदार्थ था / The surface had grease or a water-repellent substance. A greasy contaminated surface prevents water-based paint from spreading evenly. In exams clean the surface.

Step 3

Exam Tip

चिकनी दूषित सतह पानी आधारित रंग को समान फैलने नहीं देती। परीक्षा में सतह को साफ करें।

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