Chemical Changes from Acids and Bases

Presentation

•

Science

•

8th Grade

•

Hard

Joseph Anderson

FREE Resource

18 Slides • 30 Questions

Slides 2 to 15 are for review to keep it fresh because the next test will have some of these questions types.

Warm review

Multiple Choice

What are the basic building blocks for all matter?

atoms

elements

compounds

chemicals

Multiple Choice

What do we call a substance consisting of a single atom?

coefficient

element

compound

molecule

Multiple Choice

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

formula

atom

subscript

compound

Multiple Choice

2H₂O
How many Oxygen atoms are present?

Multiple Choice

2H₂O
How many Hydrogen atoms are present?

Multiple Choice

How many carbon atoms are there in a methane molecule?

Multiple Choice

Are these molecules also compounds?

YES

Multiple Choice

Are these molecules also compounds?

YES

Multiple Choice

What is the total number of atoms in an ammonia (NH₃) molecule?

Multiple Choice

Element

compound molecules

elemental molecules

Mixture

Multiple Choice

This picture represents which of the following?

elemental molecule

compound molecule

Multiple Choice

How many atoms of carbon (C) are in C₆H₁₂O₆?

Multiple Choice

Which of the following reactions is balanced?

2CH₄ + O₂ -> CO₂ + H₂O

CH₄ + 2O₂ -> CO₂ + H₂O

CH₄ + 2O₂ -> CO₂ + 2H₂O

None of the chemical equations are balanced.

Multiple Choice

In the equation shown, what are the product(s)?

N₂+ H₂

NH₃

Multiple Choice

What two elements make up water?

Helium and oxygen

Hydrogen and oxygen

helium and carbon

oxygen and carbon

Multiple Choice

tendency of molecules of the same kind to stick to one another

cohesion

adhesion

solution

polar molecule

Multiple Choice

Water droplets take a spherical shape (as pictured) because of ____________

adhesion

cohesion

capillary action

solubility

Multiple Choice

Refer to the picture of water sticking to a leaf; this is occurring because of:

Adhesion

Cohesion

Multiple Choice

What word describes when water is attracted to other substances?

cohesion

adhesion

capillary action

surface tension

Multiple Choice

Refer to the picture of water sticking to a leaf; this is occurring because of:

Adhesion

Cohesion

Multiple Choice

What is the term for water's ability to defy gravity and climb up a tube?

Capillary Action

Specific Heat

Universal Solvent

Magic

Multiple Choice

Which forces are responsible for capillary action?

Adhesion, cohesion, and surface tension

Gravity and friction

Pressure and temperature

Magnetism and electricity

Multiple Choice

Why is capillary action important for plants?

It helps plants grow taller

It helps plants produce oxygen

It helps plants absorb sunlight

It helps bring water up into the roots and to the branches and leaves

Multiple Choice

What word describes when water is attracted to other substances?

cohesion

adhesion

capillary action

surface tension

Match

(Page 47) Match the following

attraction between molecules of the same substance

attraction between molecules of a different substance

Cohesion definition

Adhesion definition

Cohesion picture

Adhesion picture

Multiple Select

What property of water is pictured here? There may be more than one answer.

Cohesion

Hydrogen Bonding

Adhesion

A Micelle

Multiple Choice

Which property of water is responsible for forming a meniscus in a graduated cylinder?

Cohesion

Adhesion

Evaporation

Freezing

Multiple Choice

Which pH value is considered neutral?

Multiple Choice

What is one effect of adhesion on water?

It causes water to evaporate

It causes water to "wet" surfaces

It causes water to freeze

It causes water to change color.

Multiple Choice

What property of water allows insects to walk on its surface?

Cohesion

Adhesion

Surface tension

Viscosity

Slides 2 to 15 are for review to keep it fresh because the next test will have some of these questions types.

Warm review

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