Learning The Basics Of Various Chemical reactions

This quiz contains questions related to the chemical reactions. Various multiple-choice questions are added to the quiz to make it more effective for the students.

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In a chemical reaction, bonds are broken and new bonds are formed that create new substances. The bonds that are broken are called what?





Which of the following is a physical change?

Getting a haircut

Rusty metal

sour milk

A compound

What indicates a chemical reaction occurred?

Heat or Light is released

gas (bubbles) produced

color change

all of the above

Which of the following is an example of a physical change?

wood burning

ice melting

food digesting

iron rusting

Which of the following is a chemical change?

the rusting of iron

melting an ice cube

dissolving salt in water

bending a copper wire

How do chemical reactions turn substances into new substances?

with burning acid

the molecules mix together and create new substances

the atoms break apart and combine back together in new ways

the ionic compounds mix in water to form solutions

The only way you can be certain that a chemical reaction has occurred is by? 

Light has been emitted 

a color change has occurred 

bubbles appear 

identifying one or more new chemical products 

Why is tearing a piece of paper only a physical change?

It changes the paper. 

It is hard to tear. 

It only changes its size, but it's still paper

None of the above

Quiz/Test Summary
Title: Learning The Basics Of Various Chemical reactions
Questions: 8
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