Question

chemicals like chorium abd lead present in paints and dyes are harmless. true or false.​

Answer 1

Answer:

true.

Explanation:

because lead and chromium both are poisonous substances.

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Answer 2

Answer false

Explanation:

Occupational and environmental exposure to Cr(VI)-containing compounds is known to cause multiorgan toxicity such as renal damage, allergy and asthma, and cancer of the respiratory tract in humans [5, 144]. Breathing high levels of chromium (VI) can cause irritation to the lining of the nose, and nose ulcers.