Question

it takes time for pieces of Shahabad tiles to disappear in HCL but it's powder disappears rapidly ​

Answer 1

Answer:

one of the factors on which the rate of chemical reaction depends I'd the size of the particles of the reactants. smaller the size greater greater is the rate of chemical reaction .

shahbad tile Pisces being larger in size than its powder.hence it takes more time to diappear when placed in Hcl than the powder