Chemistry, 26.05.2021 14:00 shradhwaip2426

2. Coal is a fossil fuel. When heated strongly, sulfur dioxide gas is one of the products
formed,
Sulfur dioxide changes the colour of acidified potassium manganate(VII) from
purple to colourless.
Plan an investigation to show which of the two different types of coal produces the
most sulfur dioxide when heated. You are provided with one lump of each type of
coal.

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2. Coal is a fossil fuel. When heated strongly, sulfur dioxide gas is one of the products
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