Example 1 · difficulty 1/5
Which example represents a liquid solute dissolved in a liquid solvent?
- A. Copper in gold
- B. Glucose in water
- C. Oxygen in water
- D. Ethanol in water
2021 source guide · Chemistry
NEET 2021 Chemistry Solutions Questions
Connect the official 2021 paper with current Chemistry practice without labelling original previews as PYQs.
200 original questions · explicit provenance labels
ChemistryPlate 90
NeetVellum atlas · fig. chemistry
90
What to master
concentration terms, vapour pressure, colligative properties and abnormal molar mass.
Original practice preview
These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.
Example 2 · difficulty 1/5
What is the mass percentage of a solution containing 20 g solute and 80 g solvent?
- A. 20%
- B. 25%
- C. 80%
- D. 16%
Example 3 · difficulty 2/5
A solution contains 15 mL ethanol and enough water to make 60 mL solution. What is the volume percentage of ethanol?
- A. 20%
- B. 25%
- C. 15%
- D. 75%
The evidence-first practice loop
- 1. Verify provenanceOfficial paper and final key before accepting a PYQ label.
- 2. Attempt closed-bookExpose the concept or execution gap before rereading.
- 3. Repair and returnClassify the miss and re-practice after a delay.
Canonical chapter practice
Frequently asked questions
Are these official NEET 2021 Chemistry Solutions PYQs?
No. The previews are original NeetVellum practice questions. A historical item receives a PYQ label only after its official paper and authoritative final answer key are attached. Use the official archive for the source paper.
How should I use the NEET 2021 paper?
Solve the official paper under its original timing, verify against the final key, classify every miss, and then use the linked current-syllabus practice bank to repair the exposed concept.