Incorrect statement about metallic solids
(A) Positive ions are surrounded by a sea of free electrons
(B) Good conductors in solid state
(C) Attractive forces are covalent bond
(D) These are highly malleable and ductile

Which of the following statement are correct for the ionic solids in which positive and negative ions are held by strong electrostatic attractive forces ?

Which of the following statement is incorrect about Hypo (A) It is used in Estimation of lodine (B) It is used to remove the unexposed AgBr from photographic films (C) It contain ionic, covalent and coordinate covalent bonds (D) It is used as antichlor