CBSE 12th

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New answer posted

11 months ago

0 Follower 8 Views

N
nitesh singh

Contributor-Level 10

Amines are organic compounds derived from ammonia (NH3 ) by replacing hydrogen atoms with alkyl or aryl groups. They are classified as primary, secondary, or tertiary based on the number of hydrogen substitutions. Their nomenclature follows IUPAC rules, using the suffix “-amine.” There are several important topics discussed throghout the chapter 9 amines such as Preparation methods, physical properties, chemical properties and named reactions.

Amines are synthesized through methods like reduction of nitro compounds, ammonolysis, Gabriel phthalimide synthesis, and Hoffmann bromamide degradation.  In terms of physical properties,

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New answer posted

11 months ago

0 Follower 27 Views

J
Jagriti Shukla

Contributor-Level 8

Several courses after 12th Biology are good that you can take without qualifying for the NEET exam. These courses include (but are not limited to) Bachelor of Optometry (B. Optom), Bachelor of Medical Laboratory Technology (BMLT), B.Sc. in Bioinformatics, B.Sc. in Biotechnology and Dialysis Technician. Other non-medical courses that one can pursue after 12th bio are agriculture, forensic science, health and nutrition, ecology and psychology.

New answer posted

11 months ago

0 Follower 4 Views

R
Ranjeeta Shukla

Contributor-Level 8

 A job in the medical field can not be sought straight after 12th PCB. For that reason, one will have to have the basic requirements to get employed, i.e. have a relevant bachelor's degree. Hence, the courses after 12th PCB which can help you earn good are:

  • MBBS
  • Pharmacy
  • Biotechnology
  • Microbiology
  • Nursing
  • Molecular Biology

New answer posted

11 months ago

0 Follower 7 Views

V
Virajita Bisht

Contributor-Level 8

There are several different courses which are good for securing a lucrative career such as:

  • MBBS
  • Nursing
  • BDS
  • B.Pharma
  • Neuroscience
  • Anesthesiologist

New answer posted

11 months ago

0 Follower 74 Views

M
Mani Sahni

Contributor-Level 10

To become an Ayurvedic doctor, one must pursue a Bachelor of Ayurvedic Medicine and Surgery (BAMS), a 5.5-year undergraduate program that includes 4.5 years of academic study and 1 year of internship. Here are the key steps:

  • Complete 12th Grade with Science – Candidates must pass Class 12 with Physics, Chemistry, and Biology (PCB) as core subjects.

  • Qualify NEET UG – Admission to BAMS is based on NEET UG scores, which is mandatory for all AYUSH courses.

  • Enroll in a Recognized BAMS College – Choose a CCIM-approved (Central Council of Indian Medicine) college for Ayurvedic studies.

  • Complete Internship & Licensing – After 1 year o

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New answer posted

11 months ago

0 Follower 2 Views

A
Ashwin Yadav

Contributor-Level 10

Yes, admissions into BTech courses at JNNIE Chennai are based on merit basis, and the minimum scoring required is 55% in the 12th standard in PCM stream. Students desirous of being admitted to JNN Institute of Engineering BTech courses, and having above 55% scoring at the 12th level may visit the admissions portal of the institute and begin the registration process. Candidates may also note that Engineering aspirants are required to go through TNEA counselling before being admitted.

New answer posted

11 months ago

0 Follower 10 Views

A
Aayush Kumari

Beginner-Level 5

Students can find the difference between aldehydes and ketones with the help of some chemical reactions. Aldehydes can be distinguished from ketones using tests like Tollens' test and Fehling's test. Aldehydes reduce Tollens' reagent to produce a silver mirror and Fehling's solution to yield a red precipitate, whereas ketones do not react in these tests.

New answer posted

11 months ago

0 Follower 6 Views

S
Satyendra Dhyani

Beginner-Level 5

Name reactions are always feverouites of the examinaers. That's why Students are so eager to know and learn name chemical reactions of this chapter. Hers's few important reactions of this chapters below;

  • Aldol Condensation: A reaction where two aldehyde or ketone molecules combine to form a? -hydroxy aldehyde or ketone.
  • Cannizzaro Reaction: A reaction where non-enolizable aldehydes undergo disproportionation in the presence of a strong base to yield a primary alcohol and a carboxylic acid.

  • Wolff-Kishner Reduction: A method to reduce carbonyl compounds to alkanes using hydrazine and a strong base.

New answer posted

11 months ago

0 Follower 7 Views

N
Nishtha Datta

Beginner-Level 5

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 interactions and hydrogen bonding (especially in carboxylic acids). Lower members are soluble in water, but solubility decreases with increasing molecular weight.

New answer posted

11 months ago

0 Follower 11 Views

P
Piyush Vimal

Beginner-Level 5

Class 12 Chemistry Chapter 8 Aldehydes, Ketones, and Carboxylic Acids consists important topics such as the structure, nomenclature, preparation, and chemical properties of these important organic compounds. Class 12 Chemistry Chapter 8 covers key reactions like nucleophilic addition, oxidation, reduction, aldol condensation, and Cannizzaro reaction. The acidic nature and reactivity of carboxylic acids are also discussed in NCERT Chemistry Chapter 8 Aldehydes, Ketones, and Carboxylic Acids. These compounds have vast applications in medicines, perfumes, food preservatives, and industrial solvents.

To help understand the topic, we have pr

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