Chemistry - Practical Chemistry
Practise 7 COMEDK previous year questions on Practical Chemistry, compiled from papers spanning 2012 to 2019. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty COMEDK tests.
Practical Chemistry has been asked in 5 of the 15 years of COMEDK papers analysed (2012–2026), with 7 questions in all. 57% of them were easy, 29% moderate and 14% tough. Most of its questions came from 2019, with 2 questions that year.
The chapter's 3 topics are not weighted equally: Preliminary Tests (3 questions, 43%), Identification of Basic Radicals (2 questions, 29%), and Radicals (2 questions, 29%) have been asked the most. Identification of Basic Radicals has produced the most tough questions (1).
- 1The metal hydroxide which is soluble in excess of ammonium hydroxide is2019Preliminary Tests
- 2In the detection of III group basic radicals is added after to2019Identification of Basic Radicals
- 3The brown ring test for nitrates depends on2018Radicals
- 4In the brown ring test, the brown colour of the ring is due to2017Radicals
- 5In qualitative analysis, in order to detect second group basic radical, gas is passed in the presence of dilute HCl to2016Identification of Basic Radicals
- 6An organic compound which produces a bluish green flame when heated on a copper wire is2012Preliminary Tests
- 7Phenol can be distinguished from ethyl alcohol using2012Preliminary Tests
Frequently Asked Questions
1.How many questions are available for Practical Chemistry?
This chapter includes 7 questions compiled from COMEDK papers spanning 2012 to 2019.
2.Are these questions only from COMEDK, or from other exams too?
These are COMEDK questions specifically for the Practical Chemistry chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Practical Chemistry an important chapter for COMEDK Chemistry?
Practical Chemistry has appeared in 5 of the 15 years of COMEDK papers covered here, with 7 questions across 5 papers - about one per paper it appears in.
4.What is the difficulty level of Practical Chemistry questions in COMEDK?
Of the 7 questions analysed for this chapter, 57% are easy, 29% moderate and 14% tough. 2019 had the most, with 2 questions.
5.Which topics in Practical Chemistry should I focus on?
These topics have carried the most weightage in Practical Chemistry:
- Preliminary Tests - 3 questions (43%)
- Identification of Basic Radicals - 2 questions (29%)
- Radicals - 2 questions (29%)
- Identification of Basic Radicals has produced the most tough questions (1).