BPSC – Combined Competitive Examination · வினா 136
Why is oil not stored in a galvanised iron pot?
விடையைக் காட்டு & விளக்கம்
விடை: (D) All of the above
விளக்கம்
Galvanised iron is zinc-coated; acids in oil react with zinc, giving harmful compounds, off-flavours and corrosion.
- (A) தவறு
Wrong: true, but the other reasons also apply.
- (B) தவறு
Wrong: true, but the other reasons also apply.
- (C) தவறு
Wrong: true, but the other reasons also apply.
- (D) சரி
Correct: fatty acids react with the zinc coating, forming toxic zinc compounds, spoiling the oil and corroding the pot.