Which is a chemical contaminant? Metal shavings in a can of peaches Tomato juice served in a pewter pitcher Bones in a chicken fillet Norovirus in shellfish

chemical contaminant refers to a substance that is not naturally present in food or is present at an unnaturally high concentration, which can cause harm if ingested. Among the options provided:<br /><br />- Metal shavings in a can of peaches are considered a physical contaminant.<br />- Tomato juice served in a pewter pitcher is a chemical contaminant because pewter can contain lead, which can leach into the juice and pose a health risk.<br />- Bones in a chicken fillet are considered a physical contaminant.<br />- Norovirus in shellfish is a biological contaminant.<br /><br />Therefore, the correct answer is: **Tomato juice served in a pewter pitcher**.