Answer: (i) The carbonyl group of aldehydes and ketones is reduced to the CH 2 group on treatment with zinc amalgam and concentrated hydrochloric acid. (ii) Aldehydes which do not have an α-hydrogen ...

CBSE Class 12 Chemistry Chapter 7 Competency-Based Questions With Answers 2024-25: Assessment is important in education as it provides the knowledge that the students gain throughout the course. These ...

CBSE Class 12th Chemistry Detailed Syllabus 2024 Unit II: Solutions Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gasses in liquids, solid solutions, ...

New Delhi [India], January 10 (ANI/Oswaal Books): CBSE Class 12 Chemistry Term-II comprises a total of 7 units and these combined units will be accounted for 35 marks. Different formats of questions i ...

CBSE Class 12 Chemistry exam will be conducted on March 7. Students should not only study chemistry thoroughly to get good grades in the boards, but also to clear competitive exams. Preparation tips ...

Crude oil is a finite resource. Petrol and other fuels are produced from it by fractional distillation. These fuels are non-renewable resources. Cracking helps match supply of fractions with demand.