trace the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergence

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T10-8745-085-COMP. (P) SCIENCE X H C–16933/09/01

Comprehensive –X

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S.I.

Comprehensive

SYLLABUS

PRACTICALSCLASS–X

MARKS : 40 (20 + 20)

LIST OF EXPERIMENTS

1. To find the pH of the following samples by using pH paper/universal indicator.(i) Dilute Hydrochloric acid

(ii) Dilute NaOH solution(iii) Dilute Ethanoic acid solution(iv) Lemon juice(v) Water

(vi) Dilute Sodium Bicarbonate Solution.2. To study the properties of acids and bases HCl & NaOH by their reaction with

(i) Litmus solution (Blue/Red)(ii) Zinc metal

(iii) Solid Sodium Carbonate.3. To determine the focal length of

(a) Concave mirror(b) Convex lens

by obtaining the image of a distant object.4. To trace the path of a ray of light passing through a rectangular glass slab for different

angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergenceand interpret the result.

5. To study the dependence of current (I) on the potential difference (V) across a resistor anddetermine its resistance. Also plot a graph between V and I.

6. To determine the equivalent resistance of two resistors when connected in series.7. To determine the equivalent resistance of two resistors when connected in parallel.8. To prepare a temporary mount of a leaf peel to show stomata.9. To show experimentally that light is necessary for photosynthesis.

10. To show experimentally that carbon dioxide is given out during respiration.11. To study (a) binary fission in Amoeba and (b) budding in yeast with the help of prepared

slides.12. To determine the percentage of water absorbed by raisins.

(vi)

13. To perform and observe the following reactions and classify them into :(i) Combination Reaction (ii) Decomposition Reaction

(iii) Displacement Reaction (iv) Double Displacement Reaction1. Action of water on quick lime.2. Action of heat on Ferrous Sulphate crystals.3. Iron Nails kept in copper sulphate solution.4. Reaction between sodium sulphate and Barium chloride solutions.

14. (a) To observe the action of Zn, Fe, Cu and Al metals on the following salt solutions.(i) ZnSO4(aq.)

(ii) FeSO4(aq.)(iii) CuSO4(aq.)(iv) Al2 (SO4)3(aq.)

(b) Arrange Zn, Fe, Cu and Al metals in the decreasing order of reactivity based on theabove result.

15. To study the following properties of acetic acid (ethanoic acid) :(i) odour

(ii) solubility in water(iii) effect on litmus(iv) reaction with sodium bicarbonate.

SCHEME OF EVALUATIONExternal Examination (to be conducted by the Board through multiple choice typewritten test) 20 MarksSchool-based hands-on practical examination. 20 Marks

(vii)

Syllabus (vi)–(vii)

(Chemical Substances Nature and Behaviour)

pH pH

(i) (ii) (iii) (iv) (v) (vi)

(i) (ii) (iii)

(i) (ii) (iii)

(Light)

(viii)

(Effects of Current)

V I

(Experiments Related to Life Processes)

(CO2)

(i) (ii)

(ix)

(Metals and Non-metals)

(i)(ii)

(iii)(iv)(v)

(vi)(vii)

(viii)

(Zn), (Fe), (Cu)(Al)

Zn, Fe, Cu Al(i) [ZnSO4] (ii) [FeSO4] (iii)[CuSO4] (iv) [Al2(SO4)3].

(Carbon Compounds)

(i) (ii) (iii) (iv)

Comprehensive

(x)

Comprehensive Prayogik Vigyan X

Publisher : Laxmi Publications ISBN : 9788131804827 Author : Dr. N. K. Sharma,Suman Bhateja, V.N. Tiwari

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