Chloride ore among the following is:

1. malachite

2. magnesite

3. magnetite

4. Karnalite

Subtopic:  Intro - Flux, Leaching, Roasting & Calcination |
 71%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Chalcogens are: 

1. hydrocarbons 

2. ore forming elements 

3. oxide forming elements

4. those having ability to catenate

Subtopic:  Intro - Flux, Leaching, Roasting & Calcination |
 51%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The following equation represents a method of purification of nickel by,

Ni + 2CO 320KNi(CO)4 420KNi +4CO this method is:

impure                                 pure

1. Cupellation

2. Mond's process

3. Van Arkel method

4. Zone refining

Subtopic:  Refining Process |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Which pair of elements can form alloy?

1. Zn and Cu

2. Fe and Hg

3. Fe and C

4. C and Pt

Subtopic:  Intro - Flux, Leaching, Roasting & Calcination |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Cupellation process is used in the metallurgy of:

1. copper

2. silver

3. lead

4. iron

Subtopic:  Refining Process |
 67%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Chile saltpetre is the ore of:

1. Mg

2. K

3. Na

4. Ca

Subtopic:  Intro - Flux, Leaching, Roasting & Calcination |
 60%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Blast furnace is used in the metallurgy of:

1. Al

2. Fe

3. gold

4. Ag

Subtopic:  Intro - Flux, Leaching, Roasting & Calcination |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Liquation is used to purify:

1. Pb

2. Sn

3. Bi

4. All

Subtopic:  Intro - Flux, Leaching, Roasting & Calcination |
 60%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Blood haemoglobin contains:  

1. Al

2. Mg

3. Cu

4. Fe

Subtopic:   DNA, RNA & Metal Ions |
 92%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Wolframite ore contains:

1. Zn

2. W

3. Hf

4. Au

Subtopic:  Intro - Flux, Leaching, Roasting & Calcination |
 74%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints