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Which one of the following acids is used for etching glass? |
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(a) |
H2SO4 |
(b) |
HNO3 |
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(c) |
HF |
(d) |
HCI |
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Which one of the following acids is used for etching glass? |
|
|||
|
(a) |
H2SO4 |
(b) |
HNO3 |
|
|
(c) |
HF |
(d) |
HCI |
|