Question 15 Marks
Describe the following experiment with Diagram :To check whether the given liquids mix with water or not.
Answer
View full question & answer→Substances given : Vinegar, mustard oil, lemon juice, coconut oil and kerosene. Apparatus: Five glasses, spoon. Material : Water
Procedure:
$(1)$ Take five glass tumblers and fill them halfway with water.
$(2)$ Add three spoonful of vinegar in first glass and three spoonful of lemon juice in second and so on.
$(3)$ Stir it well and let it stand for five minutes.
$(4 )$ Observe whether the liquid mixes with water and record your observations as shown in Table
Observation:
$(1)$ Vinegar and lemon juice mix well with water.
$(2 )$ Mustard oil, coconut oil and kerosene do not mix with water. Conclusion:
$(1)$ Vinegar and lemon juice mix with water.
$(2)$ Mustard oil, coconut oil and kerosene do not mix with water and form a different layer on top of it.
Procedure:
$(1)$ Take five glass tumblers and fill them halfway with water.
$(2)$ Add three spoonful of vinegar in first glass and three spoonful of lemon juice in second and so on.
$(3)$ Stir it well and let it stand for five minutes.
$(4 )$ Observe whether the liquid mixes with water and record your observations as shown in Table
| Liquid | mixes well/does not mix |
| Vinegar | mixes well |
| Mustard oil | does not mix |
| Lemon juice | mixes well |
| Coconut oil | does not mix |
| Kerosene | does not mix |
$(1)$ Vinegar and lemon juice mix well with water.
$(2 )$ Mustard oil, coconut oil and kerosene do not mix with water. Conclusion:
$(1)$ Vinegar and lemon juice mix with water.
$(2)$ Mustard oil, coconut oil and kerosene do not mix with water and form a different layer on top of it.
