Question:
The chemical used for leaching of silver and gold is :
The chemical used for leaching of silver and gold is :
Updated On: Sep 23, 2024
- NaCN
- NaCl
- Na2O
- NaF
Hide Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
The correct option is (A) :NaCN.
Was this answer helpful?
0
0
Top Questions on Metals and Non-Metals
- Name the ore of mercury and state the form in which it is found in nature. Write the chemical equations along with the condition required for the reactions involved in the extraction of mercury from its ore.
- CBSE Class X - 2024
- Science
- Metals and Non-Metals
- A metal ‘X’ is used in the thermite process. When ‘X’ is heated with oxygen, it gives an oxide ‘Y’, which is amphoteric in nature. ‘X’ and ‘Y’ respectively are:
- CBSE Class X - 2024
- Science
- Metals and Non-Metals
- Draw a labelled diagram to show electrolytic refining of copper. State what happens when electric current is passed through the electrolyte taken in this case.
- CBSE Class X - 2024
- Science
- Metals and Non-Metals
- Assertion (A): Different metals have different reactivities with water and dilute acids.
Reason (R): Extraction of a metal from its ore depends on its position in the reactivity series.- CBSE Class X - 2024
- Science
- Metals and Non-Metals
- Consider the following cases:
(a) CaSO4 + Al →
(b) CuSO4 + Ca →
(c) FeSO4 + Cu →
(d) ZnSO4 + Mg →
The cases in which new products will form are –- CBSE Class X - 2024
- Science
- Metals and Non-Metals
View More Questions
Questions Asked in CUET exam
- A molecule X associates in a given solvent as per the following equation:
X ⇌ (X)n
For a given concentration of X, the van’t Hoff factor was found to be 0.80 and the
fraction of associated molecules was 0.3. The correct value of ‘n’ is:- CUET (UG) - 2024
- Solutions
- Who devised the concept of Intelligence Quotient (IQ)?
- CUET (UG) - 2024
- Psychological attributes
- Two pipes A and B can fill a tank in 32 minutes and 48 minutes respectively. If both the pipes are opened simultaneously, after how much time B should be turned off so that the tank is full in 20 minutes?
- CUET (UG) - 2024
- Time and Work
- If \(A = \begin{bmatrix} 3 & 2 \\ -1 & 1 \end{bmatrix} \quad \text{and} \quad B = \begin{bmatrix} -1 & 0 \\ 2 & 5 \\ 3 & 4 \end{bmatrix},\)then \((BA)^T\) is equal to:
- CUET (UG) - 2024
- Matrices
- The spin-only magnetic moment of Hexacyanomanganate(II) ion is.........BM
- CUET (UG) - 2024
- Magnetic moment
View More Questions