Aquaregia is a mixture of acids that can dissolve noble metals. The specific composition is crucial for its efficacy.
Aquaregia is prepared by mixing
Asked in Clerk GR II Comb. Comp. Exam 2013 · Topic: Acid, Base and Salt (Physical and Chemical Properties of Acids)
Show answer
Answer: D. conc. hydrochloric acid and conc. nitric acid in the ratio of 3 : 1
More Chemistry questions
- Which of the following chemical is especially recommended to remove the stains of Tea/ Coffee from a document? - Question not attempted
- Aqueous de-acidification is applicable only for documents which are written with - - Question not attempted
- Which acid is used in the lead accumulator cell ?
- Containers for keeping strong acids are made of A) Platinum B) Brass C) Copper D) Glass
- Which one of the following acids is used in the car-batteries ?
- The acid formed in our stomach is
- Match List-I with List-II and choose the correct answer using the codes given below : List-I (Natural Source) A. Vinegar B. Tamarind C. Sour milk (curd) D. Nettle sting List-II (Acid) i. Methanoic acid ii. Lactic acid iii. Acetic acid iv. Tartaric acid Codes : (a) A-iii, B-iv, C-ii, D-i (b) A-ii, B-iii, C-iv, D-i (c) A-i, B-iii, C-iv, D-ii (d) A-iv, B-i, C-ii, D-iii
- Which of the following statements is/are correct? 1. All the bases are alkali. 2. All alkalis dissolve in water. 3. Alkalis are soapy to touch, bitter in taste and corrosive in nature. Select the correct answer using the code given below :