Exploring Chemical Reactions

Exploring Chemical Reactions

9th Grade

20 Qs

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Exploring Chemical Reactions

Exploring Chemical Reactions

Assessment

Quiz

Others

9th Grade

Practice Problem

Hard

Created by

kura duba

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a synthesis reaction?

A synthesis reaction involves the exchange of ions between two compounds.

A synthesis reaction is a process where energy is released without any chemical change.

A synthesis reaction is a chemical reaction where two or more substances combine to form a single product.

A synthesis reaction is when a single substance breaks down into two or more products.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Provide an example of a synthesis reaction.

H2 + O2 -> H2O2

2H2 + 2O2 -> 2H2O2

C + O2 -> CO2

2H2 + O2 -> 2H2O

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general form of a decomposition reaction?

AB + C -> A + B

A + B -> C

AB -> A + B

A + B -> AB

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during a single replacement reaction?

A compound decomposes into its elements.

Elements combine to form a new compound.

One element replaces another in a compound.

Two compounds exchange elements.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Give an example of a double replacement reaction.

NaCl + AgNO3 → NaNO3 + AgCl

C + O2 → CO2

H2 + O2 → H2O

Na2SO4 + BaCl2 → BaSO4 + 2NaCl

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a redox reaction?

A redox reaction is a chemical reaction involving the transfer of electrons, where one substance is oxidized and another is reduced.

A redox reaction is a chemical reaction that only involves acids and bases.

A redox reaction is a type of reaction that does not involve any electron transfer.

A redox reaction is a process that only involves the addition of oxygen.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the products of a synthesis reaction between hydrogen and oxygen.

Methane (CH4)

Water (H2O)

Carbon dioxide (CO2)

Hydrogen peroxide (H2O2)

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