Other Flashcards

0
Q

Less reactive metal + water

A

Oxide

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1
Q

Reactive metal + water

A

HYDROXIDE

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2
Q

What must you put if asked Symbol of ion

A

+ or -

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3
Q

Test for Alkene and not Alkane and result

A

Bromine water

Will turn from brown to colourless

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4
Q

Why does something melt when heated

A

There are intermolecular forces

Which are broken easily

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5
Q

Why is something a gas at room tempretures

A

There are intermolecular forces
That are weak
So little energy is required

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6
Q

Why does something have a high melting point

A

Giant lattice structure
With strong electrostatic forces
And oppositely charged ions
So large amounts of energy used

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7
Q

What conditions do you need to separate ethanol from a sugar solution

A

Feementation
Leave at room temperature (25-30)
Leave for several days

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8
Q

These for carbon dioxide

A

Limewater will go cloudy

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9
Q

Test for oxygen

A

Light a splint
Blow out
Put in test tube of oxygen
Splint will relight

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10
Q

Test for water

A

Cobalt chloride paper turn from blue to pink

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11
Q

Hydrogen is

A

Flammable

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