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CBSE Class 10 Science Answer Key 2023CBSE Class 10 Science Analysis 2023: If you appeared for today’s paper and are looking to cross-check your answers, you can find on this page the reliable and accurate answer key for all 20 multiple-choice questions for the given sets. CBSE 10th Science 2023 answer key is now available. Besides the answer key, this page also discusses the first reactions of the students to the paper as well as the complete and in-depth section-wise analysis by the subject experts. Scroll below to obtain all the important information.
CBSE 10th Science Paper 2023 Answer Key
The answers for different sets of CBSE class 10 science 2023 paper is provided here.
| Section A | ||
|---|---|---|
| Question Number | Set 1 (QP 31/2/1) | Set 1 (QP 31/4/1) |
| 1. | (c) Dissolution of ammonium chloride in water | (c) Carbon dioxide; it turns lime water milky |
| 2. | (c) (i) and (ii) only | (b) 2KI + Pb(NO3)2 → PbI2 + 2KNO3 |
| 3. | (a) 2, 4 | (b) X = Mg, Y = MgO, Combination reaction |
| 4. | (b) Sodium zincate | (d) Oxalic acid |
| 5. | (a) Lithium | (b) Sodium hydroxide - soluble in water, Ferric hydroxide - not soluble in water |
| 6. | (c) 5, 6, or 7 | (c) Sodium carbonate decahydrate |
| 7. | (c) 10 | (c) |
| 8. | (b) Stomach and anus | (d) Translocation |
| 9. | (b) IV | (b) Movement of water in and out of guard cells |
| 10. | (c) Lactic acid | (a) 1:1 |
| 11. | (d) Watermelon and Papaya | (a) Promote cell division |
| 12. | (c) 22 + XX | (d) halving of chromosomes during gamete formation |
| 13. | (d) +, + | (d) 0.12 A |
| 14. | (b) ammeter is connected in series and the voltmeter in parallel | (c) |
| 15. | (c) 200% | (b) two times |
| 16. | (c) into the page | (c) into the page |
| 17. | (d) A is false, but R is true | (a) Both A and R are true and R is the correct explanation of A |
| 18. | (a) Both A and R are true and R is the correct explanation of A | (d) A is false, but R is true |
| 19. | (c) A is true, but R is false | (a) Both A and R are true and R is the correct explanation of A |
| 20. | (b) Both A and R are true and R is not the correct explanation of A | (b) Both A and R are true and R is not the correct explanation of A |
CBSE Class 10 Science 2023: Student Reviews
Below, we have detailed the opinions of the students and subject teachers on today’s CBSE science class 10 2023 paper. Other major highlights of the exam will also be listed here.
- As per the preliminary reactions of the students, the paper was classified as 'Moderate'.
- The paper was completely NCERT-based but if one is not thorough with the topics, it is likely that the student will find the application-based questions to be tricky and difficult.
- "For me, the chemistry part was the toughest and most tricky," a student from Gurgaon expressed. "I was expecting diagram questions in biology but there were none. It was somewhat of an imbalanced paper."
- Expert Review, as reported by the Hindustan Times:
The paper had easy to moderate questions and about 70 to 80% of the paper was directly from the textbooks. The paper was not lengthy. Students could easily finish the paper within time and could also get time to revise their answers once. The typology of questions was as outlined by the board. If students have studied NCERT properly, they should be able to perform well.
CBSE Class 10 Science Question Paper Analysis 2023
Based on the valuation made by the subject experts, the detailed analysis of each section and the overall paper is available in the table below:
| Parameter | Analysis |
|---|---|
| Overall difficulty level of the paper | Moderate to Tough |
| Difficulty level of Section A (multiple-choice questions) | Easy to Moderate |
| Difficulty level of Section B (very-short answer questions) | Moderate |
| Difficulty level of Section C (short answer questions) | Moderate |
| Difficulty level of Section D (long answer questions) | Moderate to Tough |
| Difficulty level of Section E (case-based questions) | Moderate |
| Overall difficulty level of Physics | Moderate |
| Overall difficulty level of Chemistry | Moderate to Tough |
| Overall difficulty level of Biology | Moderate |
| Was the paper lengthy? | Somewhat |
| Overall expected good score | 65+ |
Also Read | CBSE Class 10 Result Date 2023
