NCERT Exemplar Class 10 Science Solutions - Chapter Wise Problems with Solutions

NCERT Exemplar Class 10 Science Solutions - Chapter Wise Problems with Solutions

Edited By Safeer PP | Updated on Nov 24, 2022 06:35 PM IST

NCERT exemplar Class 10 Science is published by NCERT on a systematic basis to supply the students with Class 10 Science practice material consisting of a high volume of varied quality problems. These NCERT exemplar solutions for Class 10 Science are developed by the highly experienced Science experts at Careers 360. The NCERT exemplar Class 10 Science solutions are highly detailed and cover all the topics mentioned in the CBSE syllabus for Class 10 Science.

The NCERT exemplar Class 10 Science solutions are adequate to resolve any query faced while attempting the NCERT exemplar Class 10 Science and also enhances the student’s learning curve by providing a structured process flow to attempt the problems. These NCERT Exemplar problems and solutions are sufficient to understand the Class 10 Science(CBSE level) and lay the foundation for the competitive exams such as NIMO, NTSE, JEE Main, JEE Advanced, and NEET.

Also, check - NCERT Exemplar Class 10 Maths Solutions

NCERT Science Exemplar Solutions Class 10 For All The Chapters:

How To Download From NCERT?

  1. Click on https://ncert.nic.in/exemplar-problems.php?ln=

  2. Select Class X from the Exemplar Problem section.

  3. Click on the chapter.

  4. Download pdf.

Benefits or Features of NCERT Science Exemplar Solutions Class 10:

A good number of practice problems are presented here and can be used for practice. A total of 16 chapters of Class 10 Science provides extra study material to the students to practice and hone their problem-solving ability for a better understanding and application of the topics.

NCERT Solution for Class 10 Subject Wise

NCERT Notes for Class 10 Subject Wise

Also Check NCERT Books and NCERT Syllabus here

Frequently Asked Questions (FAQs)

1. Is NCERT exemplar Class 10 Science sufficient to prepare for school level examinations?

Yes, the number of questions provided in the NCERT exemplar are sufficient to prepare for examinations.

2. Is NCERT Exemplar Class 10 science useful for JEE Mains, JEE Advanced and NEET?

NCERT Exemplar questions are of good quality and provide the students with  thinking and analytical skills that helps in the preparation of competitive exams.

3. Is the NCERT science book and NCERT Exemplar Class 10 Science questions similar?

The NCERT exemplar questions are different from the NCERT book questions. Exemplar questions give a good number of different types of practice questions and NCERT books gives questions to check conceptual clarity.   

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A block of mass 0.50 kg is moving with a speed of 2.00 ms-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1)

0.34\; J

Option 2)

0.16\; J

Option 3)

1.00\; J

Option 4)

0.67\; J

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times.  Assume that the potential energy lost each time he lowers the mass is dissipated.  How much fat will he use up considering the work done only when the weight is lifted up ?  Fat supplies 3.8×107 J of energy per kg which is converted to mechanical energy with a 20% efficiency rate.  Take g = 9.8 ms−2 :

Option 1)

2.45×10−3 kg

Option 2)

 6.45×10−3 kg

Option 3)

 9.89×10−3 kg

Option 4)

12.89×10−3 kg

 

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1)

2,000 \; J - 5,000\; J

Option 2)

200 \, \, J - 500 \, \, J

Option 3)

2\times 10^{5}J-3\times 10^{5}J

Option 4)

20,000 \, \, J - 50,000 \, \, J

A particle is projected at 600   to the horizontal with a kinetic energy K. The kinetic energy at the highest point

Option 1)

K/2\,

Option 2)

\; K\;

Option 3)

zero\;

Option 4)

K/4

In the reaction,

2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}

Option 1)

11.2\, L\, H_{2(g)}  at STP  is produced for every mole HCL_{(aq)}  consumed

Option 2)

6L\, HCl_{(aq)}  is consumed for ever 3L\, H_{2(g)}      produced

Option 3)

33.6 L\, H_{2(g)} is produced regardless of temperature and pressure for every mole Al that reacts

Option 4)

67.2\, L\, H_{2(g)} at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, Mg_{3}(PO_{4})_{2} will contain 0.25 mole of oxygen atoms?

Option 1)

0.02

Option 2)

3.125 × 10-2

Option 3)

1.25 × 10-2

Option 4)

2.5 × 10-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1)

decrease twice

Option 2)

increase two fold

Option 3)

remain unchanged

Option 4)

be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1)

Molality

Option 2)

Weight fraction of solute

Option 3)

Fraction of solute present in water

Option 4)

Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol-1) is

Option 1)

twice that in 60 g carbon

Option 2)

6.023 × 1022

Option 3)

half that in 8 g He

Option 4)

558.5 × 6.023 × 1023

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t2) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m2 , the number of rotations made by the pulley before its direction of motion if reversed, is

Option 1)

less than 3

Option 2)

more than 3 but less than 6

Option 3)

more than 6 but less than 9

Option 4)

more than 9

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