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Aluminium is __________ and __________

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Aluminium is __________ and __________

(a) non-hygienic, toxic

(b) toxic, hygienic

(c) non-toxic, hygienic

(d) non-hygienic, non-toxic

The question was posed to me during a job interview.

My doubt is from Applications and Advantages of Aluminium in section Wrought Aluminium Alloys of Aerospace Materials & Processes

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The correct choice is (c) non-toxic, hygienic

The explanation: Aluminium is a non-toxic and hygienic material. This is the reason why it is widely used in several industries around the world without any drastic or negative repercussions. It is one of its advantageous properties.

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