question_answer

Which of the following are corrosive and can burn the skin?

(i) Copper hydroxide

(ii) Ammonium hydroxide

(iii) Sodium hydroxide

(iv) Potassium hydroxide

A) (ii) and (ii)                     

B) (iii) and (iv)

C) (ii) and (iii)                    

D) (i) and (iv)

E) None of these