What is the primary goal when predicting chemical reactions?

Types of Chemical Reactions

Interactive Video
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Chemistry, Science, Physics
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9th - 10th Grade
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Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To determine the products
To calculate the reaction time
To identify the reactants
To measure the temperature change
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a synthesis reaction, what typically happens to the reactants?
They decompose into simpler substances
They remain unchanged
They combine to form a single product
They react with oxygen to produce water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a synthesis reaction?
Fe2O3 → Fe + O2
C6H12O6 + O2 → CO2 + H2O
H2O → H2 + O2
Na + Cl2 → NaCl
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of decomposition reactions?
They involve the breakdown of a compound into simpler substances
They result in the formation of a single product
They require the presence of a catalyst
They involve the combination of elements
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following reactions is a decomposition reaction?
2H2 + O2 → 2H2O
Na + Cl2 → NaCl
CaCO3 → CaO + CO2
CH4 + 2O2 → CO2 + 2H2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is always produced in a combustion reaction?
Oxygen gas
Hydrogen gas
Sodium chloride
Water vapor and carbon dioxide
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a combustion reaction?
CaCO3 → CaO + CO2
Na + Cl2 → NaCl
2H2 + O2 → 2H2O
C3H8 + 5O2 → 3CO2 + 4H2O
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