Concept-wise Practice

contamination check MCQ Questions for Class 9

contamination check 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 contamination check.

पीला हरा मटमैला होने पर सबसे पहले किस मिलावट की जांच करनी चाहिए?

Which contamination should be checked first if yellow-green appears muddy?

Explanation opens after your attempt
Correct Answer

A. लाल या बैंगनी की अनचाही मिलावटUnwanted red or violet contamination

Step 1

Concept

Opposing colours such as red or violet can mute yellow-green. Check the brush and palette.

Step 2

Why this answer is correct

The correct answer is A. लाल या बैंगनी की अनचाही मिलावट / Unwanted red or violet contamination. Opposing colours such as red or violet can mute yellow-green. Check the brush and palette.

Step 3

Exam Tip

लाल या बैंगनी जैसे विरोधी रंग पीला हरा को मंद कर सकते हैं। ब्रश और पैलेट जांचें।

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