Skip to content
S.NoExperiment nameAction
1.Preparation of: 
1️⃣ a true solution of common salt, sugar and alum
2️⃣ a suspension of soil, chalk powder and fine sand in water
3️⃣ a colloidal solution of starch in water and egg albumin/milk in water and distinguish between these on the basis of
🟢 transparency
🟢 filtration criterion 
🟢 stability
2.Preparation of: 
1️⃣ A mixture
2️⃣ A compound using iron filings and sulphur powder and distinguishing between these on the basis of:
🟢 appearance, i.e., homogeneity and heterogeneity
🟢 behaviour towards a magnet
🟢 behaviour towards carbon disulphide as a solvent
🟢 effect of heat
3.Perform the following reactions and classify them as physical or chemical changes
1️⃣ Iron with copper sulphate solution in water
2️⃣ Burning of magnesium ribbon in air
3️⃣ Zinc with dilute sulphuric acid
4️⃣ Heating of copper sulphate crystals
5️⃣ Sodium sulphate with barium chloride in the form of their solutions in water
4.Preparation of stained temporary mounts of: 
1️⃣ onion peel,
2️⃣ human cheek cells & to record observations and draw their labeled diagrams.
5.Identification of Parenchyma, Collenchyma and Sclerenchyma tissues in plants, striped, smooth and cardiac muscle fibers and nerve cells in animals, from prepared slides. Draw their labeled diagrams.
6.Determination of the melting point of ice and the boiling point of water.
7.Verification of the Laws of reflection of sound. 
8.Determination of the density of solid (denser than water) by using a spring balance and a measuring cylinder.
9.Establishing the relation between the loss in weight of a solid when fully immersed in: 
1️⃣ Tap water
2️⃣ Strongly salty water with the weight of water displaced by it by taking at least two different solids.
10.Determination of the speed of a pulse propagated through a stretched string/slinky (helical spring).
11.Verification of the law of conservation of mass in a chemical reaction.