Someone please help!
Chemistry Paper1 MCQ : May 1995 Q.29 :
Properties of Auminium alloys:
1. low density
2. Good electricity
3.High strength
Which properties are required for making an aircraft:
A. 1 ONLY
B.2 ONLY
C. 1 AND 2 ONLY
D. 1 AND D ONLY.
As per me the answer should be D but Mark schemes says "A".
As per our text book aluminium is strong ..a property needed to make an aircraft.
Pls explain!!!