Chemical Reactions Introduction

Test Description: Some basic questions about the five main types of chemical reactions.

Instructions: Answer all questions to get your test result.

1) In a combustion reaction, ________________ is required in order for the reaction to take place.

2) Ions that do not participate in a chemical reaction are _____________ ions.

3) A + B -- AB is what type of reaction?

4) The starting substances in a reaction are known as:

5) The symbol (aq) means

6) The total number of ___________ must be equal in a balanced reaction.

7) AB -- A + B is what type of reaction?

8) To balance a chemical equation you change ____________.

9) The ending substances in a reaction are known as:

10) A + BC -- B + AC is what type of reaction?

11) AB + CD -- AD + CB is what type of reaction?

12) Complete combustion reactions always have products carbon dioxide and ______________.

13) Full chemical reactions always include the _____________ of matter.

14) You can change a subscript to balance a chemical reaction.

15) A balanced chemical reaction has the same number of _____________ on each side.


*select an answer for all questions

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