Question

REMEMBER WRONG ANSWER OR COPIED ANSWER WILL BE REPORTED WRITE OBSERVATION FOR THE ACTIVITY AIM: To show that particles of matter are very small. MATERIALS REQUIRED: Dettol liquid, 4-5 bowls, water PROCEDURE: 1. Take 2 spoons of Dettol liquid in a bowl. 2. Add 4 spoons of water in it. 3. Transfer half the amount in another bowl and add 3-4 spoons of water. 4. Repeat step 3 and prepare 5-6 dilutions. 5. Can u smell the presence of Dettol in the last bowl? 6. What fraction of Dettol will be present in the last bowl? PRINCIPLE INVOLVED: Matter is made up of particles. Particles of matter are very tiny. Some particles will be transferred with each dilution. OBSERVATION:

Answer 1

Answer:

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Answer 2

There is decrease in the smell and the colour of the dettol solution with increase in dilution.

Explanation:

• As there is dilution of the substances which is present in the solution in a solvent then the number of molecules of the substance decreases. In addition to this the amount of of solvent also increases with dilution.

• As a result of this there is decrease in the smell because of decrease in the number of molecules and also decrease in the colour due to the same reason.

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