C1 Chemistry GCSE Set 1

This is set 1 of my revision cards for my C1 Chemistry exam, hope it helps ;)

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Periodic table

What is another name for vertical columns in the periodic table?

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Periodic table

A group. They have elements with similar properties. 

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Periodic table

What is another name for horizontal rows in the periodic table?

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periodic table

A period. The elements are in order of atomic number increasing.

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Atoms

What are copounds?

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Atoms

Atoms joined to other atoms using chemical bonds.

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Atoms

What is a covalent bond?

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Atoms

A chemical bond that involves sharing a pair of electrons between atoms is a molecule.

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Atoms

Describe a chemical bond.

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Atoms

Electrons from reacting atoms being transferred from one to another. Bonds can can form when electrons are shared.

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Atoms

Does the mass of a substance change after a reaction?

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Atoms

No, it remains the same.

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Fuels from crude oil

What is crude oil a mixture of?

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Fuels from crude oil

Compounds called hydrocarbons.

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Fuels from crude oil

Most crude oil hydrocarbons are...

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Fuels from crude oil

alkanes.

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Fuels from crude oil

What is the formula for Alkanes?

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Fuels from crude oil

CnH2n+2

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Fuels from crude oil

What does distillation do?

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Fuels from crude oil

It separates pure liquids from a mixture of liquids. It only works when liquids have varied boiling points.

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Fractional Distillation

How does fractional distillation work?

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Fractional Distillation

The substances are heated to their boiling point were they condense and separate.

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Fractional Distillation

What is refinery gas used for?

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Fractional Distillation

Bottled gas

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Fractional Distillation

What is naphtha used for?

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Fractional Distillation

For making chemicals. 

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Fractional Distillation

What is kerosene used for?

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Fractional Distillation

Aircraft fuel

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Fractional Distillation

What is Bitumen/residue used for?

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Fractional Distillation

Roads/ Tarmac 

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Limestone

What is the chemical symbol for calcium carbonate? 

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Limestone

CaCO3

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Limestone

What does Limestone turn into when it is put through thermal decomposition?

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Limestone

Calcium oxide and carbon dioxide 

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Limestone

Calcium oxide is?

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Limestone

Quick lime

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Limestone

Name three uses of Limestone.

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Limestone

- mortar

-cement

-glass

-neutralise access acidity in water/soil

-purify iron in blast furnaces

-toothpaste

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Limestone

What is the equation for the thermal decomposion of calcium carbonate?

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Limestone

CaCO3 heat ----> CaO+ CO2 = limestone

metal carbonates decompose in the same way e.g copper carbonate

CuCO3 heat -----> CuO + CO2 

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