Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-fact-Hard-Class 12
What is the product formed when borax is heated and decomposes?
A
Sodium metaborate and boric anhydride
B
Sodium borate and water
C
Sodium oxide and boron
D
Boric acid and sodium sulfate
Correct Answer
Option A
Detailed Explanation
When borax (Na2B4O7.10H2O) is heated, it loses its water of crystallization and decomposes to yield sodium metaborate and boric anhydride (B2O3). This is detailed in the first chunk of the provided NCERT context.
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