MCQ
Preparation of looking mirrors involves the use of
- Ared lead
- Bammonical silver nitrate
- Cammonical $AgNO_3 +$ red lead
- ✓ammonical $AgNO_3$ $+$ red lead $+$ $HCHO$
✓
Answer
Correct option: D.
ammonical $AgNO_3$ $+$ red lead $+$ $HCHO$
d
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