Subject :NSO Class : Class 7
Kirti kept a metal spoon in a glass jar filled with pickle for a few days. She observed that there were holes in the spoon. What could be the possible reason for this?
A Oil present in pickle dissolves the metal.
B Oil present in pickle liberates a gas in which metal gets dissolved.
C Metal reacts with acid present in pickle to form salt hence, metal gets dissolved.
D The glass reacts with metal to give acid which dissolves the metal.
i didnt get this . answer says acid reacts with metal to form salt but acid reacts with metal to form hydrogen can you help me ?
Ans 1:
Class : Class 7
C
Metal reacts with acids
Ans 2:
Class : Class 7
answer is C
Ans 3:
Class : Class 7
C
Metal reacts with acids
Ans 4:
Class : Class 7
Ans 5:
Class : Class 7
Answer is C as metal react with acid to form salt and hydrogen both