This pollutant tarnishes silver objects and blackens lead paintings.

This pollutant tarnishes silver objects and blackens lead paintings.

A) SO₂

B) NO₂

C) PAN

D) Hydrogen sulphide

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

(D) Hydrogen sulphide

4 views Answered 2023-02-05 15:29

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