Effect of Temperature & Pressure on State Change

Effect of Temperature & Pressure on State Change (Contd.)

Convenience of Temperature & Pressure for State change

Transition Temperatures

Sectional RecapitulationSelect the correct response1. Which of the following sequence is correct?a) S L G b) L S G c) G S G d) S G L

2. B. Pt. is a meeting place of a) Solid & Gas b) Solid & Liquid c) Liquid & Gas d) Solid & Solid

3. Which of the following is a transition temperature?a) M. Pt. b) B. Pt. c) F. Pt. d) all of the above

4. Match the followingb) M. Pt. i) Solid to Liquidc) B. Pt. Ii) Solid to Liquidd) F. Pt. iii) Gas to Liquide) Condensation pt. iv) Liquid to Solid

Significance of Knowledge of State Change

• Natural Thermostat

• Testing of Purity

• Transportation & safety

• Advantages and Limitation

Final RecapitulationSelect the True answer1. When temperature is reduced a liquid changes in to __________ statea) gas b) solid c) vapor d) liquid

2. State change can’t be effected by _________ a) temperature b) volume c) Pressure d) weight

3. Which of the following pair is correctb) M. Pt.= B. Pt. b) B. Pt.= F. Pt. c) M. Pt. = F. Pt. d) M. Pt. = Condensation Pt.

4. If water is pure, it should boil ata) 0 degree Celsius b) 25 degree Celsius c) 100 degree Celsius d) 110 degree Celsius

5. Purity of a substance can be tested by measuringa) M. Pt. b) B. Pt. c) F. Pt. d) Any of the above

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Assignment

a) What about S G, G S

b) Find an example of L S

c) Think about a point where all solid, liquid and gas coexists for a substance like water.

Thanks for Your Cooperation

Dr. Vijay GroverDAV College of Education, Abohar