CBSE Class 9 Science Lab Worksheet Melting Point of Ice

Official Class 9 Science Worksheets: Melting Point of Ice

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Chapter-wise Practice Material: Melting Point of Ice

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LAB WORKSHEET-1
MELTING POINT OF ICE AND BOILING POINT OF WATER
 
Objective: To study the boiling point of water and ,melting point of ice and influence of impurity on MP and BP of substances.
 
Requirements:
 
Distilled water, common salt or sugar, ice , Lab thermometer, 250 ml & 100 ml beakers, glass rod, etc

Procedure:
 
 
Step – 1
 
1. Take 25 ml of distilled water in a clean beaker (100 ml).
 
2. Insert a thermometer in such a way that its mercury bulb is fully immersed in the water taken. ( Use an iron stand to hold the thermometer )
 
3. Now heat the beaker containing water on a Bunsen flame. ( Use tripod stand & wire gauze)
 
4. Wait till the water boils. Note the temperature and record in the table given below.
 
Step – 2
 
1. Take 25 ml of distilled water in a 100 ml beaker. Add half a spatula of common salt to it and stir well to dissolve.
 
2. Find the boiling point of as explained in step – 1. Record the temperature.
 
Step – 3
 
1. Take some crushed ice or ice gratings made with distilled water, in a 100 ml beaker.
 
2. Insert a thermometer into the crushed ice.
 
3. Wait till the thermometer shows a steady reading. Record the temperature in the table given below.
 
4. Repeat the experiment with ice made with salt water. Record the temperature.
 
CBSE Class 9 Science Lab Worksheet Melting Point of Ice 1
 
Conclusion:
 
1. Boiling point of salt water is more than that of pure water (Elevation of boiling point)
 
2. Melting point of salted ice is less than that of pure ice(Depression in freezing point)
 
Questions:
 
1. What do you understand by the terms: Latent heat of fusion of ice, Latent heat of vaporisation of water?
 
2. Define the following:
 
a. Boiling point
 
b. Melting point
 
3. What happens to the BP of water when it is impure with dissolved substance?
 
4. What happens to the MP of ice when it is impure with dissolved substance?


 

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Practice Worksheet and Study Resources for Class 9 Science Melting Point of Ice

CBSE Practice Material: Class 9 Science Melting Point of Ice

Review targeted practice exercises for Class 9 Science Melting Point of Ice. Curated to match official CBSE guidelines, these downloadable PDF sheets support daily revision and core concept reinforcement.

NCERT-Aligned Questions and Solutions

Each worksheet is structured around standard CBSE textbooks, allowing students to check their working steps and correct mistakes early in their revision.

Next Steps in Your Exam Preparation

Follow up your worksheet practice by attempting the interactive online Science MCQ test for this chapter to evaluate your execution speed. All platform resources are free to access.

FAQs

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Are these Science Class 9 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 9 Science Lab Worksheet Melting Point of Ice includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 9.

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