'Green firecrackers have banned metals'
Mumbai, Nov. 12 -- An analysis of the chemical composition of green crackers being sold in Mumbai by city-based non-government organisation (NGO) Awaaz Foundation showed the presence of ingredients banned by the Supreme Court in 2018 such as barium nitrate, along with potassium nitrate and sulphur. Barium nitrate, which emits green flames when a cracker is lit, is a metal oxide that increases both air and noise pollution....
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