Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-conceptual-Easy-Class 12
When performing a charcoal cavity test, which observation indicates the presence of Zn²⁺ ions?
A
Yellow residue when hot and white when cold
B
White residue with the odour of garlic
C
Brown residue
D
Yellow residue when hot and grey metal when cold
Correct Answer
Option A
Detailed Explanation
The NCERT context specifies that Zn²⁺ ions give a yellow residue when hot and white when cold in the charcoal cavity test.
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