Quiz about Chemical Interactions

Question 1

What happens in a chemical reaction?

Accepted Answer

Atoms from the reactants rearrange and form new substances

Answer

Atoms from the products rearrange and form new reactants

Answer

New atoms appear in the reactants

Answer

Atoms from the reactants dissappear

Question 2

A scientist prepared a closed container for a chemical reaction. She poured two liquids into the bottle and quickly closed the bottle with the balloon stopper. The mixture bubbled and the balloon began to inflate. Explain why the balloon inflated.

Accepted Answer

A new gas was created and the gas took up more space

Answer

New substances formed particles that are bigger than the ones before.

Answer

The liquids reacted together and created more matter

Answer

The scientist did not seal the system fast enough and more air got in.

Question 3

Look at the image: The different-shaded circles represent different kinds of atoms. When circles are touching, they indicate that those atoms make up one molecule. Which of them represents a possible chemical reaction?

Accepted Answer

Reaction D

Answer

Reaction A

Answer

Reaction B

Answer

Reaction C

Question 4

What is the chemical equation for the molecule in the image.

Accepted Answer

ZnClOH

Answer

O34

Answer

ZCOH

Answer

C₈H₁₆OZN

Question 5

How many atoms are in this formula in the picture?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 6

How many elements are in the formula in the image?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 7

What is the Chemical Formula for the image?

Accepted Answer

C2H6O

Answer

ZNCOH

Answer

ZnClOH

Answer

C₁₂H₆O₄

Question 8

How many atoms are in the fomula in the image?

Accepted Answer

9

Answer

2

Answer

4

Answer

8

Question 9

How many elements are in the formula in the image?

Accepted Answer

3

Answer

4

Answer

2

Answer

1

Question 10

Consider substances found occuring naturally in the environment and synthetic substances created by humans in laboratories and select ALL that occur in both places.

Accepted Answer

Made of Atoms

Accepted Answer

Can be toxic

Accepted Answer

Can be a product of a chemical reaction

Accepted Answer

Is made of matter

Accepted Answer

Is made of elements

Question 11

True or False: All matter is made of atoms?

Accepted Answer

True

Answer

False

Question 12

True or False: Atoms are found between the particles of matter.

Accepted Answer

False

Answer

True

Question 13

True or False: Living organisms are made of atoms.

Accepted Answer

True

Answer

False

Question 14

True or False: Air is between atoms in substances.

Accepted Answer

False

Answer

True

Question 15

True or False: There is nothing between atoms in a gas.

Accepted Answer

True

Answer

False

Question 16

True or False: Atoms are matter.

Accepted Answer

True

Answer

False

Question 17

The chemical formula for tin chloride is SnCl₄. Which model in the image best represents a particle of tin chloride?

Accepted Answer

A

Answer

B

Answer

C

Question 18

Select each choice that is a phenomenon that is a chemical reaction. There is more then one correct answer.

Accepted Answer

White sugar turns black when heated over a fire.

Accepted Answer

The surface of a penny changes color after many years.

Answer

A substance evaporates from a bubbling pot on the hot stove.

Answer

Melted butter becomes a solid when placed in the refrigerator.

Answer

A white substance is left behind after water evaporates from a solution

Question 19

How does the image show that mass is conserved during a chemical reaction? (Mark the one best answer)

Accepted Answer

The same number of atoms of each element is on both sides of the equation.

Answer

The products have different atoms from the reactants.

Answer

The same number of compounds appears on both sides of the equation.

Answer

The same elements appear on both sides of the equation.

Question 20

How many Carbons are present on the reactant side?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 21

Which of the following 2 are chemical reactions?

Accepted Answer

burning wood

Accepted Answer

mixing baking soda and vinegar

Answer

sugar dissolving in water

Answer

water turning into steam

Answer

tearing paper

Question 22

How many Oxygens are on the product side of this chemical equation?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 23

Why are chemical equations always balanced? Select ALL that apply.

Accepted Answer

Matter cannot be created.

Accepted Answer

Matter cannot be destroyed.

Accepted Answer

Matter can only be rearranged/conserved.

Answer

Matter doesn't matter.

Question 24

Is this chemical equation balanced? Why or why not? Choose the BEST answer.

Accepted Answer

No, none of the elements (carbon, hydrogen, or oxygen) are the same amount on both the reactant and product side.

Answer

Yes, the amount of atoms for each element are equal on both the reactant and product side.

Answer

No, the carbons are not the same number on both the reactant and product side.

Answer

No, neither the carbons or hydrogens are the same amount on both the reactant and product side.

Question 25

How many Al atoms are in this compound? 4Al₂O₃

Accepted Answer

8

Answer

2

Answer

6

Answer

4

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science