✓ 3 MARKS
Definitions / Laws
🔥 APPEARED IN 3 BOARD SETS
(a) (i) Define coagulation. (ii) State Hardy-Schulze rule. (iii) What is Electrophoresis? OR (b) Write three differences between Physisorption and Chemisorption.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2022 | Series 56-5 | Set 1 | Question 6 |
| CBSE 2022 | Series 56-5 | Set 2 | Question 4 |
| CBSE 2022 | Series 56-5 | Set 3 | Question 9 |
02 // OFFICIAL CBSE MARKING SCHEME BREAKDOWN
- Step 1: Stating the fundamental formula / law statement (+1 Mark)
- Step 2: Intermediate mathematical substitution or proof steps (+1 Mark)
- Step 3: Correct final value or conclusion with mandatory SI units (+1 Mark)