Acids, Bases, and Water Properties Practice

What is the pH value of pure water at room temperature?

• 0

• 7

• 14

• 1

Tags

DOK Level 1: Recall

TEKS.SCI.8.6D

Which of the following is a property of acids?

• Bitter taste

• Slippery feel

• Sour taste

• Turns red litmus paper blue

Tags

DOK Level 1: Recall

TEKS.SCI.8.6D

Compare the pH of lemon juice to that of pure water.

• Lemon juice has a higher pH than water.

• Lemon juice has a lower pH than water.

• Lemon juice and water have the same pH.

• Lemon juice is neutral like water.

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DOK Level 2: Skill/Concept

TEKS.SCI.8.6D

Which of the following best describes the property of cohesion in water?

• Water molecules sticking to other substances

• Water molecules sticking to each other

• Water molecules evaporating quickly

• Water molecules forming a gas

Tags

DOK Level 1: Recall

TEKS.SCI.8.6C

What phenomenon is primarily caused by the surface tension of water?

• Water boiling at 100°C

• Water forming droplets

• Water freezing at 0°C

• Water dissolving salt

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DOK Level 1: Recall

TEKS.SCI.8.6C

How does surface tension allow insects to walk on water?

• It reduces the weight of the insect.

• It creates a solid surface for the insect.

• It provides a force that supports the insect's weight.

• It increases the water's temperature.

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DOK Level 2: Skill/Concept

TEKS.SCI.8.6C

Which of the following is a property of bases?

• Sour taste

• Turns blue litmus paper red

• Slippery feel

• pH less than 7

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DOK Level 1: Recall

TEKS.SCI.8.6D

What is the effect of adhesion in plants?

• It helps water to evaporate from leaves.

• It helps water to stick to plant tissues.

• It helps water to freeze in cold temperatures.

• It helps water to boil at lower temperatures.

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DOK Level 2: Skill/Concept

TEKS.SCI.8.6C

Which of the following substances is likely to have a pH greater than 7?

• Vinegar

• Lemon juice

• Soap

• Coffee

Tags

DOK Level 1: Recall

TEKS.SCI.8.6D

Describe how cohesion and adhesion work together in the transport of water in plants.

• Cohesion pulls water up, while adhesion prevents it from falling back down.

• Cohesion pushes water down, while adhesion pulls it up.

• Cohesion and adhesion both push water down.

• Cohesion and adhesion both pull water up.

Tags

DOK Level 2: Skill/Concept

TEKS.SCI.8.6C