Concept-wise Practice

surface problem MCQ Questions for Class 9

surface problem 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 surface problem.

यदि पोस्टर रंग की अंतिम सतह चिपचिपी या असमान सूख रही हो तो कौन-सा कारण सबसे संभावित है?

If the final poster-colour surface is drying sticky or uneven what is the most likely cause?

Explanation opens after your attempt
Correct Answer

D. परत बहुत मोटी या मिश्रण असमान थाThe layer was too thick or the mixture was uneven

Step 1

Concept

Excessive thickness and uneven mixture affect drying. In exams maintain balanced consistency and a controlled layer.

Step 2

Why this answer is correct

The correct answer is D. परत बहुत मोटी या मिश्रण असमान था / The layer was too thick or the mixture was uneven. Excessive thickness and uneven mixture affect drying. In exams maintain balanced consistency and a controlled layer.

Step 3

Exam Tip

अत्यधिक मोटाई और असमान मिश्रण सूखने को प्रभावित करते हैं। परीक्षा में संतुलित गाढ़ापन और पतली परत रखें।

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