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Balancing Equations, Mole Ratio, Changes in Matter Quiz

Authored by Mark Capulong

Chemistry

8th Grade

Used 1+ times

Balancing Equations, Mole Ratio, Changes in Matter Quiz
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50 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

__________ is a change in matter wherein the substances remain the same.

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

In a chemical change, differences in ______________ are present in transformed substances.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This is a way to represent a chemical reaction.

Chemical reactions

Chemical equations

Reactants

Products

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

the nomenclature of Iron sulphide is?

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

The following explains the Collision theory EXCEPT TWO:

Particles that are to react must get closer and closer until they produce effective collisions

It is not a primary requirement for reactant particles to have enough energy

Proper orientation is a prerequisite for substances to react

An effective collision would not redistribute the reactant atoms

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

TRUE OR FALSE:

If the particles of the reactants collide effectively, chemical bonds between atoms are broken.

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

TRUE OR FALSE:

A chemical reaction always takes place at the same rate.

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