Question 3234 – Research Aptitude
December 6, 2023Question 360 – ISRO-2016
December 6, 2023Question 14941 – DSSSB TGT 2017
Which of the following acids can dissolve glass?
Correct Answer: D
Question 3 Explanation:
Fluoride ion attacks silicon forming a strong bond and weakening the silicon – oxygen lattice that makes up glass. With enough equivalents of fluoride ion in solution, an entire glass surface can be dissolved.
Nitric acid
Fuming sulfuric acid
Hydrochloric acid
Hydrofluoric acid