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Experiment 1.1 : To test the presence of starch in the given food Sample, Experiment 1.2 : To test the presence of adulterant metanil yellow in dal
To prepare : (a) a true solution of common salt, sugar and alum in water, (b) a suspension of soil, chalk powder and fine sand in water, (c) a colloidal solutions of starch and egg albumin in water and distinguish between these on the basis of : (i) transparency (ii) filtration criterion (iii) stability.
To prepare : (a) a mixture, (b) a compound using iron filings and sulphur powder and distinguish between these on the basis of : (i) appearance i.e., homogeneity and heterogeneity, (ii) behaviour towards a magnet, (iii) behaviour towards carbon disulphide (as solvent), (iv) effect of heat.
Experiment 4.1 : To study the reaction of iron nail with copper sulphate solution in water and to identify the type of reaction., Experiment 4.2 : To study the reaction when magnesium ribbon is burnt in air and to identify the type of this reaction., Experiment 4.3 : To study the chemical reaction of zinc with dilute sulphuric acid and to identify the type of this reaction., Experiment 4.4 : To study the reaction when copper sulphate is heated and to identify the type of this reaction., Experiment 4.5 : To study the reaction between sodium sulphate and barium chloride in their aqueous solutions and to identify the type of reaction.
To prepare stained temporary mounts of: (a) onion peel and (b) human cheek cells and to record observation and draw their labelled diagrams.
To identify parenchyma and sclerenchyma tissues in plants, striated muscle fibres and nerve cells in animals from prepared slides and draw their labelled diagrams.
To separate the components of a mixture of sand, common salt and ammonium chloride (or camphor) by sublimation.
To determine the melting point of ice and the boiling point of water.
To establish relationship between weight of a rectangular wooden block lying on a horizontal table and the minimum force required to just move it using a spring balance.
To determine the mass percentage of water imbibed by raisins.
To verify the laws of reflection for sound.
To determine the density of a solid (denser than water) by using a spring balance and a measuring cylinder.
To establish the relation between the loss in weight of a solid when fully immersed in (i) tap water (ii) strongly salt water, with the weight of water displaced by it by taking at least two different solids.
To observe and compare the pressure exerted by a solid iron cuboid on fine sand/wheat flour while resting on its three different faces and to calculate the pressure exerted in the three different cases.
To determine the velocity of a pulse propagated through a stretched string/ slinky.
To study the characteristic of Spirogyra/Agaricus, Moss/Fern, Pinus (either with male or female cone) and an angiospermic plant. Draw and give two identifying features of the groups they belong to.
To observe the given pictures/charts/models of earthworm, cockroach, bony fish and bird. For each organism draw their picture and record: (a) one specific feature of its phylum, (b) one adaptive feature with reference to its habitat.
To verify the law of conservation of mass in a chemical reaction.
To study the external features of root, stem, leaf and flower of monocot and dicot plants.
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About the book
Comprehensive Practical Science Class 9th by N.K.Sharma
Comprehensive Practical Science, is a comprehensive book for Class IX students. It comprises of about 15 practical experiments, design of the question paper of practical skills, practice question paper, practical skills in Science for Class IX and practical skills in Science for Class X. All concepts are explained in simple and lucid language for better comprehension and the book conforms to the latest syllabus and exam pattern.