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 waterb. From clouds to raindropsc. Placing a candy bar on scaled. Chopping of wood22. 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 condenses23. Lenlen left a glass full of water on top of a table. After several days, the amount ofwater in the glass decreased. What process took place with the water in the glass?a. Condensationb. Evaporationc. Solidificationd. Sublimation24. A liquid boils at 100°C. Which other property of a liquid proves that it is purewater? *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 sizeb. Its kinetic energyc. The amount of the molecules can move ind. All of the above26. Which of the following statements is true according to the modern atomictheory?*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.

21.) Change is state involves conversion of state from Solid - liquid - gas . 22.) Naphthalene…

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

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter16: Solutions

Section: Chapter Questions

Problem 14E

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