MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistryp-Block (group 13 and 14)Boron and Its Compounds
When strongly heated, orthoboric acid leaves a residue of:
A.metaboric acid
B.tetraboric acid
C.boric anhydride✓ Correct
D.boron
Explanation
100C 140 3 3 2 2 4 7 2 3 H BO HBO H B O B O D ¾¾¾ ® ¾¾® ¾¾®
Practice More Like This
Take chapter-wise tests, track your progress, and master p-Block (group 13 and 14).
Start Free Practice →