Identifying another 3 unknown compounds

An unknown compound (A) was soluble in ether but only slightly soluble in water. It burned with a clear blue flame and combustion analysis showed it to have a molecular formula of C5H10O. It gave a positive test with the jones reagent producing a new compound (B) with a formula C5H10O. Compound B gave a positive iodoform test and formed a semicarbazone. Compound A on treatment with sulfuric acid produced a hydrocarbon (compound C) with a formula C5H10. Compound C readily decolorized a Br2-CH2Cl2 solution and on ozonolysis produced acetone as one of the products. Identify the structures and names of compounds A, B and C.