NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- General Principles and Processes of Isolation of Metals
NTA Abhyas 2020 · Chemistry · General Principles and Processes of Isolation of Metals
Match the column (I) and (II) and select the correct answer using...
Match the column (I) and (II) and select the correct answer using the codes given below.
&
&
| Column-I | Column-II |
| (I) Argentite | (1) Halide ore |
| (II) Cuprite | (2) Carbonate ore |
| (III) Siderite | (3) Oxide ore |
| (IV) Carnallite | (4) Sulphide ore |
Options
- Ai-1, ii-3, iii-4, iv-3
- Bi-3, ii-4, iii-1, iv-3
- Ci-4, ii-3, iii-2, iv-1
- Di-4, iii-2, iii-3, iv-1
Correct answer
C. i-4, ii-3, iii-2, iv-1
Step-by-step solution
\text{Argentite} \to {\text{Ag}_{2} \text{S; Cuprite} \to {\text{Cu}_{2} \text{O}
\text{Siderite} \to {\text{FeCO}_{3} ; \text{Carnallite} \to \text{KCI} ⋅ {\text{MgCI}_{2} ⋅ 6{H}_{2} \text{O}
\text{Siderite} \to {\text{FeCO}_{3} ; \text{Carnallite} \to \text{KCI} ⋅ {\text{MgCI}_{2} ⋅ 6{H}_{2} \text{O}