पर्यावरण रसायन विज्ञान प्रश्न 23
प्रश्न: निम्नलिखित अम्लों में से कौन-सा काँच की नक़्क़ाशी के लिए प्रयुक्त होता है?
विकल्प:
A) $ H _2SO _4 $
B) $ HNO _3 $
C) $ HF $
D) $ HCl $
Show Answer
उत्तर:
सही उत्तर: C
हल:
- 4543 उपलब्ध नहीं
BETA
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