
Chemistry Paper 1 Flashcard

Flashcard
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Quizizz Content
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Chemistry
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10th Grade
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Hard
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15 questions
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1.
FLASHCARD
Front
What is the chemical formula for the complete combustion of octane (C₈H₁₈)?
Back
C₈H₁₈ + 25O₂ → 16CO₂ + 18H₂O
2.
FLASHCARD
Front
Which fraction of crude oil is primarily used in diesel engines?
Back
Diesel
3.
FLASHCARD
Front
What is the molecular formula of butane?
Back
C₄H₁₀
4.
FLASHCARD
Front
Why are alkenes more reactive than alkanes?
Back
They have a double bond.
5.
FLASHCARD
Front
What are the products of the complete combustion of hydrocarbons?
Back
Water and carbon dioxide.
6.
FLASHCARD
Front
Define hydrocarbons.
Back
Compounds consisting entirely of hydrogen and carbon.
7.
FLASHCARD
Front
What is the difference between alkanes and alkenes?
Back
Alkanes have single bonds; alkenes have at least one double bond.
8.
FLASHCARD
Front
What is the general formula for alkanes?
Back
CₙH₂ₙ₊₂
9.
FLASHCARD
Front
What is the process of cracking in petroleum refining?
Back
Breaking down larger hydrocarbon molecules into smaller ones.
10.
FLASHCARD
Front
What is the significance of the octane rating in fuels?
Back
It measures a fuel's ability to resist knocking during combustion.
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