Question

31. Calcination of limestone offers (A) Cao(s) and CO2(g) (B) CaO(g) and CO2() (C) Ca(s). CO(g) and O2(g) (D) None of these​

Answer 1

Answer:

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b)

Explanation:

#SAGARTHELEGEND

Answer 2

Answer:

The velocity of an object is the rate of change of its position with respect to a frame of reference,and is a function of time. Velocity is a physical vector quantity; both magnitude and direction are needed to define it..