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DeepanjaliEnlightened

Asked: August 14, 2021In: Chemistry

Percentage of lead in lead pencils is:

A. Zero B. 20 C. 80 D. 70

DeepanjaliEnlightened

Asked: August 3, 2021In: Chemistry

A. So2 is dissolved B. Lead sulphate is consumed C. Lead is formed D. Sulphuric acid is consumed