The substance used in the thermite process of reducing metal ores is
- Aluminium
- Thorium
- Heated Pt gauge
- Carbon
The Correct Option is A
Solution and Explanation
Top Questions on General Principles and Processes of Isolation of Elements
- On reaction of Lead Sulphide with dilute nitric acid which of the following is not formed ?
- JEE Main - 2024
- Chemistry
- General Principles and Processes of Isolation of Elements
- Given below are two statements:
Statement I : During Electrolytic refining, the pure metal is made to act as anode and its impure metallic form is used as cathode
Statement II : During the Hall-Heroult electrolysis process, purified $Al _2 O _3$ is mixed with $Na _3 AlF _6$ to lower the melting point of the mixture
In the light of the above statements, choose the most appropriate answer from the options given below:- JEE Main - 2023
- Chemistry
- General Principles and Processes of Isolation of Elements
The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is?
- NEET (UG) - 2023
- Chemistry
- General Principles and Processes of Isolation of Elements
Consider the following statements about the oxides of halogens
A. At room temperature, OF2; is thermally stable
B. Order of stability of oxides of halogens is I > Br > Cl
C. I2O5 is used in the estimation of CO
D. ClO2; is used as a bleaching agent
The correct statements are- TS EAMCET - 2023
- Chemistry
- General Principles and Processes of Isolation of Elements
- Which of the following ore is not in oxide form?
- GUJCET - 2023
- Chemistry
- General Principles and Processes of Isolation of Elements
Questions Asked in NTA Abhyas exam
- Which of the following can show positive deviation from Raoult's law?
- NTA Abhyas - 2020
- Solutions
- A particle of mass $m$ and charge $q$ is thrown from a point in space where uniform gravitational field & electric field are present. The particle (1) may follow a straight line (2) may follow a circular path (3) may follow a parabolic path
- NTA Abhyas - 2020
- electrostatic potential and capacitance
- When two bodies collide elastically. The force of interaction between them is
- NTA Abhyas - 2020
- Elastic and inelastic collisions
- The dimensional formula for entropy is
- NTA Abhyas - 2020
- Dimensional Analysis
- The dimensional formula for permittivity of free space $\left(\left(\epsilon \right)_{0}\right)$ in the equation $F=\frac{1}{4 \pi \epsilon _{0}}\frac{q_{1} q_{2}}{r^{2}}$ , where symbols have their usual meaning, is
- NTA Abhyas - 2020
- Dimensional Analysis
Concepts Used:
General Principles and Processes of Isolation of Elements
What are Ores and Minerals?
Minerals are the naturally occurring, homogeneous inorganic solid substances. They are having a definite chemical composition and crystalline structure, hardness and color. For example, copper pyrite, calamine, etc.
Impurities in an ore are called gauge. The removal of a gauge from the ore is called concentration ore.
Several steps are involved in the extraction of pure metal from ores. Major steps are as follows –
- Concentration of the ore
- Isolation of the metal from its concentrated ore
- Purification of the metal