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Physical Science Sample End Semester Exam. All Sample Exam Revision Practice Questions With Correct Answers (2024 Update)

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PHYSICAL SCIENCE SAMPLE END SEMESTER EXAM. ALL SAMPLE EXAM REVISION PRACTICE QUESTIONS WITH CORRECT ANSWERS (2024 UPDATE) When a solvent is cooled, it will dissolve A. More solid B. More gas C. Less gas D. The same amount of solid or gas - ANSWER- B. More gas The water hardness in an area is reported as 700 ppm total dissolved solids. This is the same concentration as A. 0.007% B. 0.07% C. 0.7% D. 7% - ANSWER- B. 0.07% Hydrogen bond is A. What holds the atoms of the water molecules together B. A force between hydrogen atoms in adjacent water molecules C. A force between a hydrogen atom of one polar molecule and another polar molecule D. A force between a hydrogen atom and a metal - ANSWER- C. A force between a hydrogen atom of one polar molecule and another polar molecule If the force of attraction between the ions in a solid is very strong, you would expect the solid to have A. Low solubility in water B. High solubility in a non-polar solvent C. Low solubility in a non-polar solvent D. High solubility in a non-polar solvent - ANSWER- A. Low solubility in water In liquid solutions, the solute is A. A solid B. A liquid C. A gas D. All of the above - ANSWER- D. All of the above According to the modern definition NH3 is A. An acid because it contains hydrogen B. A base because it can accept H+ ions from water C. An acid because it raises the H+ ion concentration D. A base because it lowers the pH - ANSWER- B. A base because it can accept H+ ions from water A solution with a pH of 2 A. Is twice as acidic as one with a pH of 1 B. Is half as acidic as a solution with a pH of 1 C. Is ten times as acidic as a solution with a pH of 1 D. Is one tenth as acidic as a solution with a pH of - ANSWER- D. Is one tenth as acidic as a solution with a pH of Which of the following solutions is likely to have a pH less than 7? A. Sodium chloride B. Ammonia C. Carbonic acid D. Pure water - ANSWER- C. Carbonic acid

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PHYSICAL SCIENCE SAMPLE END SEMESTER EXAM. ALL

SAMPLE EXAM REVISION PRACTICE QUESTIONS WITH

CORRECT ANSWERS (2024 UPDATE)

When a solvent is cooled, it will dissolve

A. More solid

B. More gas

C. Less gas


D. The same amount of solid or gas - ANSWER- B. More gas


The water hardness in an area is reported as 700 ppm total dissolved solids. This is the same

concentration as

A. 0.007%

B. 0.07%

C. 0.7%


D. 7% - ANSWER- B. 0.07%


Hydrogen bond is

A. What holds the atoms of the water molecules together

B. A force between hydrogen atoms in adjacent water molecules

C. A force between a hydrogen atom of one polar molecule and another polar molecule

, D. A force between a hydrogen atom and a metal - ANSWER- C. A force between a hydrogen

atom of one polar molecule and another polar molecule

If the force of attraction between the ions in a solid is very strong, you would expect the solid to

have

A. Low solubility in water

B. High solubility in a non-polar solvent

C. Low solubility in a non-polar solvent


D. High solubility in a non-polar solvent - ANSWER- A. Low solubility in water


In liquid solutions, the solute is

A. A solid

B. A liquid

C. A gas


D. All of the above - ANSWER- D. All of the above


According to the modern definition NH3 is

A. An acid because it contains hydrogen

B. A base because it can accept H+ ions from water

C. An acid because it raises the H+ ion concentration


D. A base because it lowers the pH - ANSWER- B. A base because it can accept H+ ions from

water

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