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General Chemistry Previously Asked Questions: Chemical and Physical Transformation
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General Chemistry Previously Asked Questions: Chemical and Physical Transformation
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18 Questions

1. An example of physical change
2. Example of corrosion is
3. Give a thought to these statements. Statement (A): Temperature below 0ºC is achieved by the mixture of salt and ice. Reason (R): Salt increases the freezing point of ice. In the context of above statements which one of the following is correct?
4. Why does water boil at a temperature below 100ºC at higher altitudes?
5. Give thought to following statements.
1. In the process of osmosis, the solvent moves towards a dilute solution from the concentrated solution.
2. In reverse osmosis internal pressure but upon a dilute solution. Among above statements which is/ are correct.
6. Because of impurities the boiling point of a liquid
7. Which type of colloidal system is expressed in the fog?
8. Assertion (A): A chemical reaction becomes faster at a higher temperature. Reason (R): At higher temperature, molecular motion becomes more rapid.
9. Pasteurization is related to
10. Match List-I with List-II and select the correct answer using the code given below the lists. List-I (Characteristic)
(a) Zero mass
(b) Fractional charge
(c) Fractional spin
(d) Integral spin List-II (Particle)
1. Positron
2. Neutrino
3. Quark
4. Photon Code
(a) (b) (c) (d)
11. Which of the following is an example of chemical change?
12. Pasteurization is a process by which
13. Process of solid camphor into camphor vapour is called
14. Which of the following is/are the example/examples of chemical change?
1. Crystallization of sodium chloride
2. Melting of ice
3. Souring of milk Select the correct answer using the code given below.
15. Which of the following statement is not true?
16. What form of energy is produced in the decomposition of water?
17. Change of water into the vapour is called
18. The technique of chromatography is used to

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