Which of the following acid is used by gold smith for dissolving gold?
  • a)
    Nitric acid                   
  • b)
    Sulphuric acid
  • c)
    Aqua regia                  
  • d)
    Hydrochloric acid
Correct answer is option 'C'. Can you explain this answer?

Class 7 Question

Sharad Chavan
Aug 07, 2020
Aqua regia is used to dissolve gold.
Aqua regia is used by Goldsmith for dissolving gold...
hence correct answer is C.

Bhima More
Aug 01, 2021
Answer ( C ) Aqua regia

Amit Sah
Aug 24, 2021
A mixture of concentrated nitric and hydrochloric acids. It is a highly corrosive liquid able to attack gold and other resistant substances.

Aditya Kumar
Jul 31, 2021
Aqua regia is a yellow-orange (sometimes red) fuming liquid, so named by alchemists because it can dissolve the noble metals gold and platinum, though not all metals.

Appearance: Red, yellow or gold fuming liquid

Chemical formula: HNO3+3 HCl

Mandeep Singh
Jul 19, 2019
Aqua regia is used to dissolve gold and platinum.

Kanhu Sahu
Jul 31, 2021
Hydrochloric acid

This discussion on Which of the following acid is used by gold smith for dissolving gold?a)Nitric acidb)Sulphuric acidc)Aqua regiad)Hydrochloric acidCorrect answer is option 'C'. Can you explain this answer? is done on EduRev Study Group by Class 7 Students. The Questions and Answers of Which of the following acid is used by gold smith for dissolving gold?a)Nitric acidb)Sulphuric acidc)Aqua regiad)Hydrochloric acidCorrect answer is option 'C'. Can you explain this answer? are solved by group of students and teacher of Class 7, which is also the largest student community of Class 7. If the answer is not available please wait for a while and a community member will probably answer this soon. You can study other questions, MCQs, videos and tests for Class 7 on EduRev and even discuss your questions like Which of the following acid is used by gold smith for dissolving gold?a)Nitric acidb)Sulphuric acidc)Aqua regiad)Hydrochloric acidCorrect answer is option 'C'. Can you explain this answer? over here on EduRev! Apart from being the largest Class 7 community, EduRev has the largest solved Question bank for Class 7.
This discussion on Which of the following acid is used by gold smith for dissolving gold?a)Nitric acidb)Sulphuric acidc)Aqua regiad)Hydrochloric acidCorrect answer is option 'C'. Can you explain this answer? is done on EduRev Study Group by Class 7 Students. The Questions and Answers of Which of the following acid is used by gold smith for dissolving gold?a)Nitric acidb)Sulphuric acidc)Aqua regiad)Hydrochloric acidCorrect answer is option 'C'. Can you explain this answer? are solved by group of students and teacher of Class 7, which is also the largest student community of Class 7. If the answer is not available please wait for a while and a community member will probably answer this soon. You can study other questions, MCQs, videos and tests for Class 7 on EduRev and even discuss your questions like Which of the following acid is used by gold smith for dissolving gold?a)Nitric acidb)Sulphuric acidc)Aqua regiad)Hydrochloric acidCorrect answer is option 'C'. Can you explain this answer? over here on EduRev! Apart from being the largest Class 7 community, EduRev has the largest solved Question bank for Class 7.