Alkanes (AQA GCSE Chemistry Combined Science): Quizzes

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Alkanes
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Which two elements are found in hydrocarbons?

Hydrogen and carbon only

What is the general formula for alkanes?

CnH2n+2C_nH_{2n+2}

What suffix do all alkane names end with?

-ane

What is the chemical formula of methane?

CH4CH_4

What is the chemical formula of propane?

C3H8C_3H_8

Using CnH2n+2C_nH_{2n+2}, how many H atoms are in an alkane with 4 C atoms?

10

What type of bonds hold alkanes together?

Covalent bonds

How many bonds does each carbon atom form in alkanes?

4 bonds

How many bonds does each hydrogen atom form in alkanes?

1 bond

Why are alkanes called saturated hydrocarbons?

All C-C bonds are single bonds

What is the main type of hydrocarbon found in crude oil?

Alkanes

Which of these is a use of alkanes?

As fuels

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