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21. Which of the following involves a change of state in matter? * a. Adding food color to water b. From clouds to raindrops C. Placing a candy bar on scale d. Chopping of wood 22. Why do naphthalene balls disappear with time without leaving any solid? * a. Naphthalene balls sublimes. b. Naphthalene balls evaporates. c. Naphthalene balls are gases. d. Naphthalene balls condenses 23. Lenlen left a glass full of water on top of a table. After several days, the amount of water in the glass decreased. What process took place with the water in the glass? * a. Condensation b. Evaporation C. Solidification d. Sublimation

21. Which of the following involves a change of state in matter? * a. Adding food color to water b. From clouds to raindrops C. Placing a candy bar on scale d. Chopping of wood 22. Why do naphthalene balls disappear with time without leaving any solid? * a. Naphthalene balls sublimes. b. Naphthalene balls evaporates. c. Naphthalene balls are gases. d. Naphthalene balls condenses 23. Lenlen left a glass full of water on top of a table. After several days, the amount of water in the glass decreased. What process took place with the water in the glass? * a. Condensation b. Evaporation C. Solidification d. Sublimation

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer number 21 to 26 pls. I don't want to waste my money here.

21. Which of the following involves a change of state in matter? * a. Adding food color to water b. From clouds to raindrops c. Placing a candy bar on scale d. Chopping of wood 22. Why do naphthalene balls disappear with time without leaving any solid? * a. Naphthalene balls sublimes. b. Naphthalene balls evaporates. c. Naphthalene balls are gases. d. Naphthalene balls condenses 23. Lenlen left a glass full of water on top of a table. After several days, the amount of water in the glass decreased. What process took place with the water in the glass? a. Condensation b. Evaporation c. Solidification d. Sublimation 24. A liquid boils at 100°C. Which other property of a liquid proves that it is pure water? * a. It freezes at 0°C. b. It is neither acidic nor basic. c. It turns blue dish washing liquid to red. d. It does not leaves a residue when boiled. 25. Which of the following affect the speed of a molecule? * a. Its size b. Its kinetic energy c. The amount of the molecules can move in d. All of the above 26. Which of the following statements is true according to the modern atomic theory? * a. Atoms can never combine with any other atoms. b. Atoms may be divided in ordinary chemical reactions. C. Atoms of the same element may have different masses. d. Atoms can change mass in ordinary chemical reactions.
Transcribed Image Text:21. Which of the following involves a change of state in matter? * a. Adding food color to water b. From clouds to raindrops c. Placing a candy bar on scale d. Chopping of wood 22. Why do naphthalene balls disappear with time without leaving any solid? * a. Naphthalene balls sublimes. b. Naphthalene balls evaporates. c. Naphthalene balls are gases. d. Naphthalene balls condenses 23. Lenlen left a glass full of water on top of a table. After several days, the amount of water in the glass decreased. What process took place with the water in the glass? a. Condensation b. Evaporation c. Solidification d. Sublimation 24. A liquid boils at 100°C. Which other property of a liquid proves that it is pure water? * a. It freezes at 0°C. b. It is neither acidic nor basic. c. It turns blue dish washing liquid to red. d. It does not leaves a residue when boiled. 25. Which of the following affect the speed of a molecule? * a. Its size b. Its kinetic energy c. The amount of the molecules can move in d. All of the above 26. Which of the following statements is true according to the modern atomic theory? * a. Atoms can never combine with any other atoms. b. Atoms may be divided in ordinary chemical reactions. C. Atoms of the same element may have different masses. d. Atoms can change mass in ordinary chemical reactions.
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