CBSE Class 10 Science Sample Paper 2020 Set 02

Science
Download PDF

Official CBSE Practice Papers for Class 10 Science

Explore authentic exam practice materials through the CBSE Class 10 Science Sample Paper 2020 Set 02. Tailored for Class 10 learners, utilizing these Science sample papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.

Solved Model Papers for Science

Navigate directly to the solved Science model papers using the digital viewer below. Each practice set includes detailed solutions, allowing students to instantly cross-check their work and identify areas requiring further revision.

CARBON AND ITS COMPOUNDS
 
1. What is the name given to the chemical bond
 
a) formed by sharing of electrons between two atoms?
 
b)formed by the transfer of electrons from one atom to another?
 
2. Draw the electron structure of simplest ketone. 
 
3. Which of the following compounds has double bond:
       
    C4H10,C4H6.C4H8
 
4. Name a catalyst that can be used in the addition reaction of unsaturated hydrocarbon with hydrogen.
 
5. Identify the functional group present in C2H5OH 
 
6. Give the name and structural formula of the next higher homologue of CH3CHO
 
7. A hydrocarbon has six carbon atoms. Write the molecular formula of the alkane and alkyne it forms.
 
8. State one advantage of detergents over soaps. 
 
9. Draw the structural formula of cyclohexane and benzene. 
 
10. Why does carbon form bonds by sharing electrons and not by losing or gaining electrons?
 
11. Explain why
 
a) Diamond is hard whereas graphite is soft
 
b) Diamond is a poor conductor of electricity whereas graphite is a good conductor.
 
12. What do you understand by homologus series? State any two characteristics of a homologus series?
 
13. Explain the bond formation in the following
 
a) Water
 
b) Carbon dioxide
 
14. What is meant by substitution reaction? What type of hydrocarbons show substitution reaction? Explain with an example.
 
15. Complete the following equations
 
a) CH3CH2OH + CH3COOH→
 
b) CH3CH2OH + Na→
 
c) CH3COOH + Na2CO3→
 
16. What happens when ethanol is treated with alkaline potassium permanganate? Identify the type of reaction and write an equation for the same.
 
17. Explain the versatile nature of carbon to form large number of compounds. Also explain why carbon forms strong bonds?
 
18. a) Differentiate between saturated and unsaturated hydrocarbons?
 
b) How are saturated and unsaturated hydrocarbons identified using bromine water?
 
c) Identify unsaturated hydrocarbons from the following and draw their structural formula: C3H4,C3H6.C3H8
 
19. a) What do you understand by functional group?
 
b) Draw the structure of a chloroalkane with three carbon atoms and write its IUPAC name.
 
c) Identify the functional groups in the following and write their IUPAC names
 
i) CH3CH2CH2COOH    ii) CH3CH2CH2 CO CH3
 
20. a) Explain cleansing action of soap.
 
b) What are isomers? Draw all possible isomers of pentane.
 
 
 
Please click on below link to download CBSE Class 10 Science Sample Paper 2020 Set B

Free study material for Science

CBSE Class 10 Science Sample Paper 2020 Set 02 & Sample Question Papers for Class 10 Science

Class 10 Science CBSE Class 10 Science Sample Paper 2020 Set 02 PDF Download Guide

Review model practice papers for Class 10 Science. Working through the CBSE Class 10 Science Sample Paper 2020 Set 02 under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.

Key Advantages of Solving CBSE Class 10 Science Sample Paper 2020 Set 02

  • Original Practice Material: Access unique questions for Science designed to challenge your understanding.
  • Self-Assessment: Evaluate scores per set to pinpoint weak zones in Class 10 Science.
  • Exam Completion Skills: Routine problem sets train you to manage test duration efficiently without stress.

How to Analyze Your Performance in CBSE Class 10 Science Sample Paper 2020 Set 02

  1. Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
  2. Error Analysis: Class 10 learners must review incorrect answers carefully to understand underlying mistakes.
  3. Concept Reinforcement: Consult the official NCERT book for Class 10 Science when stuck before re-attempting problems.

FAQs

Where can I download the PDF for CBSE Class 10 Science Sample Paper 2020 Set 02?

You can download the complete PDF for CBSE Class 10 Science Sample Paper 2020 Set 02 for free from StudiesToday.com. Our resources for Class 10 Science are updated for the latest academic session and follow the official exam pattern.

Are solutions provided for CBSE Class 10 Science Sample Paper 2020 Set 02?

Yes, CBSE Class 10 Science Sample Paper 2020 Set 02 comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Science to help students of Class 10 understand correct methodology and marking scheme.

How can practicing CBSE Class 10 Science Sample Paper 2020 Set 02 help in exam preparation?

Practicing this Science paper helps in time management and identifying important topics. For Class 10, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

Is the CBSE Class 10 Science Sample Paper 2020 Set 02 accessible on mobile and tablets?

Yes, all our study materials for Class 10 Science are provided in a mobile-friendly PDF format. You can easily download CBSE Class 10 Science Sample Paper 2020 Set 02 on your mobile device.