CBSE Class 10 Science Sample Paper 2012 (6)

CBSE Class 10 Science Sample Paper 2012 (6). Based on CBSE and NCERT guidelines. The students should practice these Question Papers to gain perfection which will help him to get more marks in CBSE examination. Please refer to more CBSE Class 10 question papers in other links. The CBSE Question papers are prepared based on trend in past examinations and expected questions in CBSE exams. Its always recommended by CBSE to practice the papers released by CBSE to get better exams in CBSE exams. CBSE Last Year Question Papers for class 10 for final/ term/ SA1/ SA2 Examinations conducted by Central Board of Secondary Education for all CBSE affiliated schools in India and abroad. Please refer to more CBSE Class X sample papers, question papers, HOTs etc in other links.

1. Why carbon forms strong bonds with other carbon atoms, hydrogen, oxygen, nitrogen or sulphur?

2. Name the part of eye responsible for conversion of light into electrical impulses.

3. a. How does valency vary in a group on going from top to bottom?

    b. How does atomic size vary in a period on going from left to right?

4. Write one property of hydrogen which makes it resemble with (a) Alkali metals (b) Halogens.

5. a Arrange the following common substances in the increasing order of refractive indices. Ice, Kerosene, Glass, Diamond, Alcohol, Water

    b. Is it necessary that optically dense medium possesses greater mass density? Give an example.

6. On reaction with sodium hydroxide, X yielded Ethanoic acid and ethanol.

    (a) Give the IUPAC name of X?

    (b) Name the reaction.

    (c) Give a chemical reaction for the above reaction.

7. (a) How does the electronic configuration of an atom related to its position in the Modern periodic table? Give one example.

    (b) Why nitrogen is more electronegative than phosphorus?

8. A concave length has focal length of 25 cm. At what distance should the object from the lens be placed so that if it forms an image at 20 cm distance from the lens? Also find the magnification produced by the lens.

9. Give an explanation for the formation of a rainbow.

10. How are we able to see distant and near by objects clearly? Which part of eye helps in changing curvature of lens? Why no image is formed at blind spot?

11.(a) Why magnification is taken negative for real images and positive for virtual images?

    (b) Why convex mirror is used in rear view mirrors and not concave mirror?

    (c) Power of concave lens is 4.5 D. Find its focal length. 

12.(a) Find the size, nature and position of image formed when an object of 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm.

     (b) Why does light travels faster in water in comparison to kerosene. (Refractive index of water and kerosene are 1.33 and 1.44 respectively)

Please refer to attached file for CBSE Class 10 Science Sample Paper 2012 (6)

Tags: 

 


Click to View or Download pdf file
Click for more Science Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE Assessment Framework

The Central Board of Secondary Education (CBSE) today, announced a suggested competency-based assessment framework to strengthen India’s existing school education system for secondary level (classes 6-10) and improve the overall learning outcomes of students across...

ICSE Board Exams Cancelled

The ICSE (Class X) 2021 Examination: Given the present worsening situation of the Covid- 19 Pandemic in the country, the CISCE has decided to CANCEL the ICSE (Class X) 2021 Examination. The options given in the earlier Circular dated 16th April 2021, now stands...

Class 10 Boards Cancelled Class 12 postponed

Looking to the present situation of the pandemic and school closures, and also taking in account the safety and well-being of the students, it is decided as follows:   1. The Board Exams for Class XIIth to be held from May 4th to June, 14th, 2021 are hereby postponed....

SOF IMO International Mathematics Olympiad

SOF IMO refers to the International Mathematics Olympiad organised by SOF, the Science Olympiad Foundation. SOF is the educational foundation involved in the academic upgradation of students. This Olympiad is a maths competitive examination conducted for the aspiring...

Time management for CBSE students

The first thing to learn about Time Management is that time is theoretical so you can’t really manage it. What you do when you get into time management, is that you manage yourself. You decide what has to be done, when it must be done and how to do it in the stipulated...

SOF Science Olympiad Foundation

SOF~ The most desired name for Olympiads in the Educational World! SOF” refers to the Science Olympiad Foundation. It is an Academic Institution assisting educational based competition and enhancing competitive spirit among the School- Level students. The Science...

×
Studies Today