Chemical Reactions

Chemical Reactions

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

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11 questions

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1.

FLASHCARD QUESTION

Front

Which of the following is not evidence of a chemical reaction? Options: Formation of a precipitate, Production of gas, Change in temperature, Change in state of matter

Back

Change in state of matter

2.

FLASHCARD QUESTION

Front

A chemical reaction is...

Back

when a substance undergoes a change to form a new substance

3.

FLASHCARD QUESTION

Front

Translate the word equation: Liquid nitrogen and oxygen gas combine to form nitrogen monoxide gas.

Back

N2(l) + O2(g) → NO(g)

4.

FLASHCARD QUESTION

Front

Aqueous

Back

dissolved in water/solution

5.

FLASHCARD QUESTION

Front

Mass cannot be ____ or _____. Options: made, changed, created, destroyed, rearranged, unmade, stagnant, unchanging

Back

created, destroyed

6.

FLASHCARD QUESTION

Front

Balance the equation: ____MgO + ____H2O → ____Mg(OH)2

Back

1,1,1

7.

FLASHCARD QUESTION

Front

What type of reaction is the following:
CH+ O→ CO2 + 2H2O
Options: double replacement, single replacement , combustion, synthesis

Back

combustion

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