
reversible reaction
Authored by Helen Wang
Chemistry
10th Grade
Used 2+ times

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31 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What type of reactions can able to change products back to the their original form?
Reversible reactions
Irreversible reactions
Combustion reactions
Combination reactions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following changes is irreversible change?
Melting of ice cube
Heating hydrated CuSO4
Frying an egg
Thermal decomposing NH4Cl
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following combination is correct?
reversible ⇌
irreversible →
reversible ←
irreversible →
reversible ⇌
irreversible ←
irreversible ⇌
reversible →
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a reversible reaction is exothermic in the forward direction, it will be ...
exothermic in the reverse direction
endothermic in the forward direction too
endothermic in the reverse direction
not involve energy in reverse direction
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the symbol which is used in reversible reactions?
→
Δ
+
⇌
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a reaction described as irreversible?
The products cannot be turned directly back into the reactants.
You need to apply heat to make the reaction work.
The products can be turned back into the reactants.
The reactants cannot be turned into the products.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When amounts of reactants and products become constant in reversible reaction, what might happen to the reversible reaction?
Reversible reaction reaches equilibrium.
Reversible reaction fastens forward reaction.
Reversible reaction fastens reverse reaction.
Reversible reaction slows down forward reaction.
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