Chemistry Paper Class 12th Jkbose Private Bi-Annual Exam 2023 Jammu and Kashmir and Ladakh #jkbose

Chemistry Paper Class 12th Jkbose Private Bi-Annual Exam 2023
Solutions:-
Q.1. Body-centered cubic (BCC) is a crystal structure that consists of a cube-shaped unit cell with atoms located at the corners and in the center of the cube.
In this structure, each atom is surrounded by eight(8) nearest neighbors located at the corners of the cube.
Q.2. Brownian Motion/Movement.
Q.3. CH3CHO + H2
Acetaldehyde + Hydrogen
Q.4. (True)✅
Q.5. Potassium trioxalatoferrate(III)
Q.6. (C) Lactose: "Lactose" is the major disaccharide found in milk, and is catabolized into 'glucose' and 'galactose' by the enzyme 'lactase'.
Q.7. (A) Aldehydes. "Silver Mirror Test" also known as "Tollen's Test " is a qualitative laboratory test used to distinguish aldehydes from ketones.
Q.8. A 'salt bridge' is a device used in an electrochemical cell for connecting its oxidation and reduction half cells wherein a weak electrolyte is used.
In other words, a 'salt bridge' is a junction that connects the anodic and cathodic compartments in a cell or electrolytic solution.
Salt bridge is used to maintain electrical neutrality inside the circuit of a galvanic cell. A Salt bridge acts as an electrical connection between two half cells. A Salt bridge prevents the diffusion of solution from one cell to the other.
Download the pdf(All series )from Link below:-
Series-A
https://drive.google.com/file/d/1bLoQbVyweMVg_Wt4HXPbLUHmYNbYGDp5/view?usp=drivesdk
Series-B
https://drive.google.com/file/d/1_xhY3XDgoMAt4RNIBzB5__uC_UvZp8Hl/view?usp=drivesdk

Series-C
https://drive.google.com/file/d/1a0RrPNkIjiOIuh-dsv4bMYMXeVU4sHVs/view?usp=drivesdk

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Видео Chemistry Paper Class 12th Jkbose Private Bi-Annual Exam 2023 Jammu and Kashmir and Ladakh #jkbose канала Physics by Maninder Sir