Question

which of the following is is a chemical change shading a paper burning of paper breaking of water boattle griding charcoal into a powder

Answer 1

shading a paper burning of paper is a chemical reaction because paper is made up of carbon and as we know combustion is a process of burning a hydrocarbon to form water and seo2

Answer 2

burning of paper is chemical change because here burning of paper produces ash .hence a new substance thus formed hence it is chemical change