General Principles and Processes of Isolation of Elements is an important topic in the Physics section in BITSAT exam. Practising this topic will increase your score overall and make your conceptual grip on BITSAT exam stronger.
This article gives you a full set of BITSAT PYQs for General Principles and Processes of Isolation of Elements with explanations for effective preparation. Practice of BITSAT Physics PYQs including General Principles and Processes of Isolation of Elements questions regularly will improve accuracy, speed, and confidence in the BITSAT 2026 exam.
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BITSAT PYQs for General Principles and Processes of Isolation of Elements with Solutions
1.
A particle of mass \( 2 \) kg is on a smooth horizontal table and moves in a circular path of radius \( 0.6 \) m. The height of the table from the ground is \( 0.8 \) m. If the angular speed of the particle is \( 12 \) rad/s, the magnitude of its angular momentum about a point on the ground right under the center of the circle is:- \( 14.4 \) kg m\( ^2 \)s\(^{-1} \)
- \( 8.64 \) kg m\( ^2 \)s\(^{-1} \)
- \( 20.16 \) kg m\( ^2 \)s\(^{-1} \)
- \( 11.52 \) kg m\( ^2 \)s\(^{-1} \)
2.
Ortho and para forms of hydrogen have:- different physical and chemical properties
- identical physical properties but different chemical properties
- identical chemical properties but different physical properties
- identical chemical and physical properties
3.
A gas can be taken from A to B via two different processes ACB and ADB. When path ACB is used, \( 60 J \) of heat flows into the system and \( 30 J \) of work is done by the system. If path ADB is used, the work done by the system is \( 10 J \). The heat flow into the system in path ADB is:
- \( 40 J \)
- \( 80 J \)
- \( 100 J \)
- \( 20 J \)
4.
An oil drop of radius \(1 \, \mu{m}\) is held stationary under a constant electric field of \(3.65 \times 10^4 \, {N/C}\) due to some excess electrons present on it. If the density of the oil drop is \(1.26 \, {g/cm}^3\), then the number of excess electrons on the oil drop approximately is:
[Take, g = 10 m/s2]- 7
- 12
- 9
- 8
5.
Electrometallurgical process is used to extract- Fe
- Pb
- Na
- Ag
6.
A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of \( 60^\circ \) by a force of 10 N parallel to the inclined surface. When the block is pushed up by 10 m along the inclined surface, the work done against frictional force is:
[Given: \( g = 10 \) m/s\( ^2 \), \( \mu_s = 0.1 \)]
- \( 5\sqrt{3} \) J
- \( 5 \) J
- \( 5 \times 10^3 \) J
- \( 10 \) J
7.
A parallel plate capacitor with plate area \(A\) and plate separation \(d = 2\) m has a capacitance of \(4\mu F\). The new capacitance of the system if half of the space between them is filled with a dielectric material of dielectric constant \(K = 3\) (as shown in the figure) will be:
- 2μF
- 32μF
- 6μF
- 8μF
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