P-Block Elements Ques 540
Question: Which is not the use of orthoboric acid?
Options:
A) As an antiseptic and eye wash.
B) In glass industry.
C) In glazes for pottery.
D) In borax - bead test.
Show Answer
Answer:
Correct Answer: D
Solution:
Borax on heating gives $ B_2O_3 $ and $ NaBO_2 $ which is glassy mass and used for borax- bead test.