Household Chemistry Flashcards by shimmah matika | Brainscape

Q

write hydrochloric acid as a formula

A

HCl

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Q

write Sulfuric acid as a formula

A

H2SO4

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Q

write Nitric acid as a formula

A

HNO3

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Q

name HCl

A

hydrochloric acid

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Q

name H2SO4

A

Sulfuric acid

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Q

name HNO3

A

Nitric acid

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Q

What ‘gas’ do bases release

A

hydroxide ions (OH-)

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Q

What ‘gas’ do acids release

A

hydrogen ions (H+)

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Q

What colour do bases turn red litmus paper

A

turn red litmus paper blue

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Q

What colour do bases turn blue litmus paper

A

they remain blue

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Q

What colour do acids turn red litmus paper

A

they remain red

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Q

What colour do acids turn blue litmus paper

A

turn blue litmus paper red

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Q

write sodium hydroxide s as a formula

A

NaOH

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Q

write potassium hydroxide as a formula

A

KOH

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Q

write Calcium Hydroxide as a formula

A

Ca(OH)2

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Q

name NaOH

A

sodium hydroxide

Q

name KOH

A

potassium hydroxide

Q

name Ca(OH)2

A

Calcium Hydroxide

Q

Metal + acid makes

A

metal, salt + hydrogen gas

Q

Metal + oxygen makes

A

metal oxide

Q

metal + water makes

A

metal hydroxide + hydrogen gas

Q

sodium + oxygen make

A

sodium oxide

Q

what are bases used for

A

neutralising acids

Q

on a ph scale what colour means its an acid

A

red orange yellow

Q

on a ph scale what colour means its a base

A

blue purple

Q

on a ph scale what colour means it is neutral

A

varied shades of green

Q

a ph of 2 is a

A

acid

Q

a ph of 4 is a

A

acid

Q

a ph of 6 is a

A

neutral

Q

a ph of 8 is a

A

neutral

Q

a ph of 10 is a

A

base

Q

a ph of 12 is a

A

base

Q

a ph of 14 is a

A

base

Q

Acid + base makes

A

salt and water

Q

when does combustion occour

A

it occours whenever something reacts with oxygen gas (02)

Q

complete combustions formula is

A

fuel + oxygen = carbon dioxide + water

Q

incomplete combustions formula is

A

fuel + oxygen = carbon mondioxide + water

Q

the product of fuel + oxygen (complete)

A

carbon dioxide + water

Q

the product of fuel + oxygen (incomplete)

A

carbon mondioxide + water