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1- The pure substance is that: a. Created from single element. b. Suffer no chemical change. c. Have no contaminations. d. None of them. 2- While water changes from liquid to vapour, the latent heat added is utilized in: a. Changing chemical structure. Producing flow work. c. Breaking molecular bonds. d. None of them. 3- In the experiment to find relation between saturation pressure and temperature, the outer surface of the container was painted in black to: a. Make it cool faster. 6. Hide burning damages. c. Keeping heat inside.

1- The pure substance is that: a. Created from single element. b. Suffer no chemical change. c. Have no contaminations. d. None of them. 2- While water changes from liquid to vapour, the latent heat added is utilized in: a. Changing chemical structure. Producing flow work. c. Breaking molecular bonds. d. None of them. 3- In the experiment to find relation between saturation pressure and temperature, the outer surface of the container was painted in black to: a. Make it cool faster. 6. Hide burning damages. c. Keeping heat inside.

Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter1: Introduction
Section: Chapter Questions
Problem 1.12QAP
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Q-1: Indicate the correct answer among the given choices below. 1- The pure substance is that: a. Created from single element. b. Suffer no chemical change. c. Have no contaminations. d. None of them. 2- While water changes from liquid to vapour, the latent heat added is utilized in: a. Changing chemical structure. b Producing flow work. c. Breaking molecular bonds. d. None of them. 3- In the experiment to find relation between saturation pressure and temperature, the outer surface of the container was painted in black to: a. Make it cool faster. Hide burning damages. c. Keeping heat inside. d. None of them. 4- the condenser pressure in the experiment of steam engine is assumed atmospheric because: (a. Its inner space opens to the ambient. b. It is cooled by water at the ambient temperature. c. Engine runs against the boundary pull. d. None of them.
Transcribed Image Text:Q-1: Indicate the correct answer among the given choices below. 1- The pure substance is that: a. Created from single element. b. Suffer no chemical change. c. Have no contaminations. d. None of them. 2- While water changes from liquid to vapour, the latent heat added is utilized in: a. Changing chemical structure. b Producing flow work. c. Breaking molecular bonds. d. None of them. 3- In the experiment to find relation between saturation pressure and temperature, the outer surface of the container was painted in black to: a. Make it cool faster. Hide burning damages. c. Keeping heat inside. d. None of them. 4- the condenser pressure in the experiment of steam engine is assumed atmospheric because: (a. Its inner space opens to the ambient. b. It is cooled by water at the ambient temperature. c. Engine runs against the boundary pull. d. None of them.
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