Question

can anyone please send list of practicals for cbse class 10

you can answer it

Answer 1

PRACTICALS
Praticals should be conducted alongside the concepts taught in theory classes.
LIST OF EXPERIMENTS
1. Finding the pH of the following samples by using pH paper / universal indicator:
a) Dilute Hydrochloric Acid
b) Dilute NaOH solution
c) Dilute Ethanoic Acid Solution
d) Lemon juice
e) Water
f) Dilute Hydrogen Carbonate solution
Studying the properties of acids and bases (HCl & NaOH) by their reaction with:
a) Litmus solution (Blue/Red)
b) Zinc metal
c) Solid sodium carbonate
2. Performing and observing the following reactions and classifying them into :
a) Combination reaction
b) Decomposition reaction
c) Displacement reaction
d) Double displacement reaction
(i) Action of water on quick lime
(ii) Action of heat on ferrous sulphate crystals
(iii) Iron nails kept in copper sulphate solution
(iv) Reaction between sodium sulphate and barium chloride solutions
OR
3. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions :
a) ZnSO4
(aq)
b) FeSO4
(aq)
c) CuSO4
(aq)
d) Al2 (SO4 )3
(aq)
Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on
the above result.
4. Studying the dependence of potential difference (V) across a resistor on the
current (I) passing through it and determine its resistance. Also plotting a graph
between V and I.
5. Determination of the equivalent resistance of two resistors when connected in
series and parallel.
6. Preparing a temporary mount of a leaf peel to show stomata.
7. Experimentally show that carbon dioxide is given out during respiration.
8. Study of the following properties of acetic acid (ethanoic acid) :
i) odour
ii) solubility in water
iii) effect on litmus
iv) reaction with sodium Hydrogen Carbonate
9. Study of the comparative cleaning capacity of a sample of soap in soft and hard
water.
10. Determination of the focal length of :
i) Concave mirror
ii) Convex lens
by obtaining the image of a distant object.
11. Tracing 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 and interpret the result.
12. Studying (a) binary fission in Amoeba, and (b) budding in yeast with the help of
prepared slides.
13. Tracing the path of the rays of light through a glass prism.
14. Finding the image distance for varying object distances in case of a convex lens
and drawing corresponding ray diagrams to show the nature of image formed.
15. Identification of the different parts of an embryo of a dicot seed (Pea, gram or red
kidney bean).