NEET PYQs for General Principles and Processes of Isolation of Elements with Solutions: Practice NEET Previous Year Questions

Updated on - Jan 19, 2026

General Principles and Processes of Isolation of Elements is an important topic in the Chemistry section in NEET exam. Practising this topic will increase your score overall and make your conceptual grip on NEET exam stronger.

This article gives you a full set of NEET PYQs for General Principles and Processes of Isolation of Elements with explanations for effective preparation. Practice of NEET Chemistry PYQs including General Principles and Processes of Isolation of Elements questions regularly will improve accuracy, speed, and confidence in the NEET 2026 exam.

NEET PYQs for General Principles and Processes of Isolation of Elements with Solutions

1.
Match items of Column I with the items of Column II and assign the correct code:
- (a) $\to$ (ii) ,(b) $\to$ (iii) ,(c) $\to$ (i) ,(d) $\to$ (v)
- (a) $\to$ (i) ,(b) $\to$ (ii) ,(c) $\to$ (iii) ,(d) $\to$ (iv)
- (a) $\to$ (iii) ,(b) $\to$ (iv) ,(c) $\to$ (v) ,(d) $\to$ (i)
- (a) $\to$ (iv) ,(b) $\to$ (ii) ,(c) $\to$ (iii) ,(d) $\to$ (i)
View Solution
2.
Cassiterite is an ore of
- Mn
- Ni
- Sb
- Sn
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3.
The method of zone refining of metals is based on the principle of:
- Greater mobility of the pure metal than that of the impurity
- Higher melting point of the impurity than that of the pure metal
- Greater noble character of the solid metal than that of the impurity
- Greater solubility of the impurity in the molten state than in the solid
View Solution
4.
Which one of the following is a mineral of iron?
- Malachite
- Cassiterite
- Pyrolusite
- Magnetite
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5.
Extraction of gold and silver involes leaching with $CN^-$ ion. Silver is later recovered by :-
- distillation
- zone refining
- displacement with Zn
- liquation
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6.
Which one is malachite from the following ?
- $Fe_3O_4$
- $CuCO_3.Cu(OH)_2$
- $CuFeS_2$
- $Cu(OH)_2$
View Solution
7.
Which of the following elements is present as the impurity to the maximum extent in the pig iron?
- Carbon
- Silicon
- Phosphorus
- Manganese
View Solution
8.
The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is?
- FeO + CO $\to$ Fe + CO₂
- C + CO₂ $\to$ 2CO
- CaO + SiO₂ $\to$ CaSiO₃
- Fe₂O₃ + CO $\to$ 2FeO + CO₂
View Solution
9.
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of them will you not use for the purpose?
- Chilled test tube
- Test tube containing heparin
- Test tube containing sodium oxalate
- Test tube containing calcium bicarbonate
View Solution
10.
Which one of the following pairs is not correctly matched
- Serratia – Drug addiction
- Spirulina – Single cell protein
- Rhizobium – Biofertilizer
- Streptomyces – Antibiotic
View Solution
11.
Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
- Zone refining
- Electrolysis
- Chromatography
- Distillation
View Solution
12.
Considering Ellingham diagram, which of the following metals can be used to reduce alumina ?
- Cu
- Fe
- Mg
- Zn
View Solution
13.
Aluminium is extracted from alumina $(Al_2O_3)$ by electrolysis of a molten mixture of
- $Al_2O_3 + HF + NaAlF_4$
- $Al_2O_3 + CaF_2 + NaAlF_4$
- $Al_2O_3 + Na_3AlF_6 + CaF_2$
- $Al_2O_3 + KF + Na_3AlF_6$
View Solution

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NEET PYQs for General Principles and Processes of Isolation of Elements with Solutions

1.Match items of Column I with the items of Column II and assign the correct code:

2.Cassiterite is an ore of

3.The method of zone refining of metals is based on the principle of:

4.Which one of the following is a mineral of iron?

5.Extraction of gold and silver involes leaching with $CN^-$ ion. Silver is later recovered by :-

6.Which one is malachite from the following ?

7.Which of the following elements is present as the impurity to the maximum extent in the pig iron?

8.The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is?

9.You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of them will you not use for the purpose?

10.Which one of the following pairs is not correctly matched

11.Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?

12.Considering Ellingham diagram, which of the following metals can be used to reduce alumina ?

13.Aluminium is extracted from alumina $(Al_2O_3)$ by electrolysis of a molten mixture of

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1.
Match items of Column I with the items of Column II and assign the correct code:

2.
Cassiterite is an ore of

3.
The method of zone refining of metals is based on the principle of:

4.
Which one of the following is a mineral of iron?

5.
Extraction of gold and silver involes leaching with $CN^-$ ion. Silver is later recovered by :-

6.
Which one is malachite from the following ?

7.
Which of the following elements is present as the impurity to the maximum extent in the pig iron?

8.
The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is?

9.
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of them will you not use for the purpose?

10.
Which one of the following pairs is not correctly matched

11.
Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?

12.
Considering Ellingham diagram, which of the following metals can be used to reduce alumina ?

13.
Aluminium is extracted from alumina $(Al_2O_3)$ by electrolysis of a molten mixture of