CBSE Class 10 Science Sample Paper 2018 Set D

Read and download PDF of CBSE Class 10 Science Sample Paper 2018 Set D designed as per the latest curriculum and examination pattern for Class 10 issued by CBSE, NCERT and KVS. The latest Class 10 Science Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Science Class 10 which they need to study more to get better marks in Class 10 exams. After solving these guess papers also refer to solved Class 10 Science Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 10 Science Pdf

Students can refer to the below Class 10 Science Sample Paper designed to help students understand the pattern of questions that will be asked in Class 10 exams. Please download CBSE Class 10 Science Sample Paper 2018 Set D

Science Class 10 Sample Paper

SECTION : A

1.Identify in the following reaction :

2PbO +C→2Pb +CO2

d) the substance oxidised and

e) the substance reduced.

2. Name the rule which gives the direction of force experienced by a current carrying conductor when placed in a magnetic field.

3. Thermal power plants are set up near coal or oil fields. Give reason

4. Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?

5.When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction and also write a test to detect the gas formed. 

6. A compound which is prepared from gypsum has the property of hardening when mixed with proper quantity of water. Name the compound. How is it prepared? For what purpose is it used in hospitals ?

7. Illustrate the different pathways in the breakdown of a glucose molecule.

8. Answer the following:-

i)Which gland secretes digestive enzymes as well as hormones ?

ii) Which endocrine gland is present in females , but absent in males ?

iii) Name the hormone essential for carbohydrate, protein and fat metabolism

9. a) Oil and fat containing food items are flushed with nitrogen while packing them. Why?

b) Why do we apply paint on iron articles?

10.a) State two properties of gold which are extreme use to jewellers.

b) Name one metal and non-metal which exists in liquid state at room temperature.

c)Why do we use copper and aluminium wire for the transmission of electric current

11.Explain with electronic dot structure the formation of MgCl2 by ionic bonding.

12.Write the balanced chemical for the following and identify the type ofreaction in each case.

a) Zinc carbonate(s) Zinc oxide+ Carbondioxide

b) Potassium bromide(aq) + Barium iodide(aq)Potassium iodide+Barium bromide

13. What is solar cell panel ? List two advantages and disadvantages each of using solar cells for producing electricity .

14.What are the environmental consequences of the increasing demand for energy? What steps you suggest to reduce energy consumption?

15.a) What do you mean by magnetic effect of electric current?

b) State Right hand thumb rule.

16. What is solenoid? Draw magnetic field lines for a current carrying Solenoid.

17. One day Suresh connected many household power appliances having a current rating more than 6A to a multi-plug of 6A rating.When he wasabout to switch them on, his elder sister shouted and asked him to remove the appliances from a single socket.

a) According to you, why she would not advice to connect multi-high power appliances on a single socket?

b) What would have happened, if he switched them on?

c) What was the value shown by his sister?

18. Two lamps, one rated 100W at 220V and other 60W at 220V are connected in parallel to the electric supply at 220V.

a) Draw a circuit diagram to show the connections.

b) Calculate the total current drawn from the electric supply. 

19.i) What is refining of a metal ?

ii) Describe the electrolytic refining of copper metal with the help of a labelled diagram.

iii) Mention constituent metals present in bronze.

20.a) You have four solutions A,B,C and D.The pH solution A is 6, B is 9 ,C is 12 and D is 7.

i) Identify the most acidic and most basic solutions.

ii) Arrange the above four solutions in the increasing order of H+ ion concentration

iii) State the change in colour of pH paper on dipping in solution Cand then D.

c) Dry ammonia gas has no action on litmus paper, but a solution of ammonia in water turns red litmus paper blue. Why is it so ?

21.a) Define electric power.

b) How many joules are there in one kilowatt-hour?

c) An electric heater draws current of 10A from a 220V supply.What is the cost of using heater for 5h everyday for 30 days, if the cost of one unit of electric energy is Rs 5.25?

22.a) Draw a neat labelled diagram of human digestive system.

b) Differentiate between arteries and veins

23.a) Define reflex action.

b)Draw a schematic diagram to depict reflex arc

c) Differentiate between sensory and motor nerves.

24. a) What is the conversion of energy in electric generator?

b)State the principle of working of generator.

c) Why is it necessary to earth metallic appliances?

 

SECTION : B (PBQ)

25.A student tested pH of the distilled water and found the colour changed to

a) Green b) Red

c) Blue d)Yellow

26.A small amount of quick lime is taken in a beaker. Water is added slowly to the beaker.

a) Hissing sound and the solution becomes hot

b) A hissing sound and the solution becomes cold

c) Hissing sound and the solution becomes cold

d) No sound and solution becomes hot

27.Reddish brown deposit observed on irons, when these are kept in Aqueous solution of copper sulphate is that of

a)Copper oxide

b)Copper

c)Copper sulphide

d) Iron sulphate

 

Please click the link below to download CBSE Class 10 Science Sample Paper 2018 Set D

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Sample Paper Science Class 10

We hope you liked the above provided CBSE Class 10 Science Sample Paper 2018 Set D. To get an understanding of the type of questions which were asked in exams, it is important for Class 10 students to refer to CBSE Class 10 Science Sample Paper 2018 Set D that we have provided above. Students can download the Sample Paper for Class 10 Science which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. If you do CBSE Class 10 Science Sample Paper 2018 Set D for Class 10 Science you will easily understand the way examination Sample Paper are set by teachers.

Class 10 Science Sample Paper

The latest Sample Paper CBSE Class 10 Science Sample Paper 2018 Set D covers all the topics which have been suggested by CBSE in their Class 10 Science syllabus for the current year. By doing CBSE Class 10 Science Sample Paper 2018 Set D you will understand the regular questions and MCQ questions for Class 10 Science which are always asked and learn them so that you can get full marks in those questions.

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Science Sample Paper Class 10 with Solutions

We have provided CBSE Class 10 Science Sample Paper 2018 Set D with solutions. You will be able to understand the type of answers which you should write in Class 10 Science exams to score good marks. You should attempt all the last year question paper for Class 10 and Class 10 Science MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers. This way you will be able to identify your weak areas and also understand how the teachers of Class 10 Science set their questions in the exams.

CBSE Class 10 Science Sample Paper with solutions

We have provided the current year Class 10 Science Sample Paper. Students who want to practice Sample Paper from all previous years can easily get them on studiestoday. We are the leading website in India from which you can download all the latest Class 10 Science study material for free as per the CBSE syllabus for Class 10 Science for the current academic year.

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