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Y8 Reactions 2 revision

Authored by Carl Sced

Chemistry

6th - 10th Grade

Used 2+ times

Y8 Reactions 2 revision
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What name do we use for the chemicals which are present at the start of a reaction?

Reactions

Reactants

Products

Producers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What name do we use for the chemicals which are present after a reaction?

Reactions

Reactants

Products

Producers

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is true?

There are more atoms after a reaction than before

There are more atoms before a reaction than after

There is the same number of atoms before and after a reaction

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Complete the statement:

In a chemical reaction the atoms...

Disappear

Burn away

Rearrange to form new compounds

Rearrange into a different state

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hydrogen + Oxygen --> ________

Hydroelectric

Hydrogen carbonate

Water

Oxide

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many different types of atom are in Nitrogen dioxide

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many oxygen atom are in Nitrogen dioxide

1

2

3

4

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