प्रश्न 3. निम्न में कौन सोने को विलेय करने के लिए
प्रयुक्त होता है?
[1] हाइड्रोक्लोरिक अम्ल [3] नाइट्रिक अम्ल
[2] सल्यूरिक अम्ल [A] अम्लराज
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Answer:
1)HCL and 2)HNO3 nitric acid used to make Aqua regia added both acids in 3:1 proportion it's fuming liquid used to dissolve gold platinum and silver.
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