Which of the following substances are harmful for health if present in food items?1. Pesticide residues2. Lead3. Metanil yellow4. Mercury Select the correct answer using the code given below:

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Which of the following substances are harmful for health if present in food items?<br />1. Pesticide residues<br />2. Lead<br />3. Metanil yellow<br />4. Mercury Select the correct answer using the code given below:






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