CBSE Class 10 Science Practical Skills Sample Paper 2017 (2)

CBSE Class 10 Science Practical Skills Sample Paper 2017 (2). It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.

SECTION - A

1. A student was asked to mix the white of an egg with water and stir well. The student observed that

(a) a transparent solution is formed.

(b) a translucent mixture is formed.

(c) egg white settles down at the bottom.

(d) egg white floats on the surface of the water.

2. A student by mistake mixed iron fillings and sulphur powder. He wanted to separate them from each other. The methed you would advise him to use is dissolve the mixture in

(a) boiling water.

(b) cold water.

(c) carbon disulfide.

(d) kerosene.

3. The extent of cooling by evaporation was studied for water, alcohol and Ether by arranging the following three set ups :

CBSE Class 10 Science Practical Skills Sample Paper 2017 (2) 

Which on of the following is the correct observation?

(a) All the three set ups showed an equal decrease in temperature

(b) Set ups II and III showed decrease in temperature while no change in temperatuere was observed in set up I

(c) Only set up I showed a decrease in temperature while an increase in temperature was observed in set ups II and III

(d) The cooling (decrease in temperature) was largest in set up III followed by set up II and least cooling was observed in set up I.

4. Which of the following is the correct arrangement for separation a mixture of common salt and ammonium chloride?

CBSE Class 10 Science Practical Skills Sample Paper 2017 (2)1

(a) I

(b) II

(c) III

(d) IV

5. The spring balance shown here is used to measure the mass of given solid. The mass of the solid is

(a) 115 g

(b) 118 g

(c) 120 g

(d) 125 g

 CBSE Class 10 Science Practical Skills Sample Paper 2017 (2)2

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