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Chemical Reactions Quiz_24.25_2

Last updated 2 days ago

20 questions

1

1

1

1

1

1

1

1

1

1

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

1

1

Question 9

9.

Question 10

10.

1

1

1

1

1

1

1

1

Question 19

19.

Balance the chemical equation.

Question 20

20.

Balance the chemical equation.

What vocabulary word does this picture show?

Ionic bond

Atom

Chemical reaction

Products

What vocabulary word does this picture show?

Chemical equation

Reactants

Chemical bond

Law of conservation of mass

What vocabulary word does this picture show?

Covalent bond

Products

Molecule

Chemical equation

What vocabulary word does this picture show?

Molecule

Atom

Chemical reaction

Energy

What vocabulary word does this picture show?

Energy

Metallic bond

Reactants

Ionic bond

What vocabulary word does this picture show?

Metallic bond

Atom

Ionic bond

Chemical equation

Question 7

7.

Question 8

8.

Look at the picture.  It shows the reactants and products in the elephant toothpaste reaction.  What are the reactants?

Look at the picture.  It shows the reactants and products in the elephant toothpaste reaction.  What is the product?

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Question 17

17.

Question 18

18.

Ion

Energy

Chemical reaction

Covalent bond

Law of conservation of mass

Molecule

Is this equation balanced?

Yes

No

Why?  How do you know?

The reactants and the products are equal.

The reactants and products are not equal.

The reactants and products are different.

Is this equation balanced?

Yes

No

Why?  How do you know?

The reactants and products are equal.

The reactants and products are not equal.

There are 5 Ag on the reactants side and 3 Ag on the products side.

What is the correct way to balance this equation?

Is this equation balanced?

Yes

No

Why?  How do you know?

The reactants and products are equal.

The reactants and products are not equal.

The reactants are bigger than the products.

How do you know that a chemical reaction is happening in the picture?

The reactants and products are not equal.

The color changed.

The temperature stayed the same.