What are the physical properties of aldehydes, ketones, and carboxylic acids?
Students studying class 12 chemistry must have clear understanding of the basic knowledge. Students must be aware of physical properties of these compunds. Aldehydes, ketones, and carboxylic acids generally have higher boiling points than hydrocarbons of similar molecular weight due to dipole-dipole
Similar Questions for you
CBSE maintains a consistent passing criteria of 33%. Any changes to passing marks are officially notified by CBSE.
If a student fails in one subject in CBSE Class 12, they become eligible for the compartment exam. Passing the exam allows the student to be declared passed without repeating the year.
It is compulsory to pass in CBSE Class 12 internal assessment. Students will be considered as fail if they don't qualify in internal assessment.
For subjects whose total marks are calculated out of 100, the passing marks are 33%. This applies to subjects without internal/practical or to those where theory and internal assessment are combined into a single score.
Yes, every year, the board announces an exact date and time to declare the Rajasthan Board 12th result. As soon as the result drafting is done, the board announces the RBSE 12th class result date and time 2026 via its social media handles.
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else.
On Shiksha, get access to
Learn more about...

CBSE 12th 2026
View Exam DetailsDidn't find the answer you were looking for?
Search from Shiksha's 1 lakh+ Topics
Ask Current Students, Alumni & our Experts
Have a question related to your career & education?
See what others like you are asking & answering