Question

6.
a) All the above statements are correct
b) All the above statements are incorrect
C) A, B are correct and C is incorrect
d) A, B are incorrect and C is correct.
Statement (A): The chemical formula of Rust is Fe 02.XHO

Statement (B): The composition of German Silver is 25-50% copper, 24-35% zinc and 10-35% nickel.
Statement (C): Duralumine is used in making some parts of aeroplanes.​

Answer 1

Answer:

the correct answer is option (d)

A,B are incorrect and C is correct