Take five beakers with water. Take small quantities of sugar, salt, chalk powder, sand and sawdust. Add each material to separate beakers and stir. Observe the changes and record your observations in the given table.

Write an experiment to check the solubility of given compounds. sugar, salt, chalk powder, sand,sawdust, vinegar, lemon juice, coconut oil, kerosene.

Take two test tubes with some water. Add salt powder to one test tube and add crystals of salt to the second one. Observe, From your observation you may conclude that solubility depends upon

Collect sweet potato, bottle, salt, and water. Take.a bottle full of water and add salt, then put.sweet potato inside the bottle. Observe for a few days. What happens? Note your observations. How can you prove that sweet potato is also a living thing?

Collect the salt samples like sodium chloride, aluminium chloride, copper sulphate, sodium acetate, ammonium chloride, sodium hydrogen carbonate and sodium carbonate. Dissolve them in distilled water. Check the action of these solutions with litmus papers. Find the pH using pH paper. Classify them into acidic, basic or neutral salts. Identify the acid and base used to form the above salts. Record your observations in table

Drop an egg in a beaker of water. Now drop the same egg in another beaker of water in which excessive salt is added. Write your observation.

Take white antacid powder with water in a test tube add methyl orange indicator to it. Which colour do you observe ?

Can you say that salt is a liquid on the basis of change in its shape? Justify your answer. Take a sponge. Observe its shape.

Take a small amount of copper oxide in a beaker and slowly add dil. HCL while stirring. What is the colour of the solution ?

Collect some solid materials such as ghee, wax, sand, sugar, salt, haldi, dal, plastic, wood, iron nails. Take a bucketful of water and a beaker. Now try to discover the following Which materials are soluble in water ?

Collect some solid materials such as ghee, wax, sand, sugar, salt, haldi, dal, plastic, wood, iron nails. Take a bucketful of water and a beaker. Now try to discover the following Which materials are not soluble in water?