Chemistry, asked by kotlaraghuveer171, 4 months ago

What volume of CO2 is obtained at STP by heating 4g of CaCO3?Assign oxidation number of the underlined elements of the following species.

(a)

H PO 4 2 7

(b)

K O 2 4

Answers

Answered by joshidhananjay53

0

Answer:

(b)K O 2 4 is the correct ones

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