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15
×
All acids contain the positive hydroxide ion (OH-)
False
True
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15
×
The number of moles of lithium hydroxide in 500 cm3 of water of 0.1 mol/l solution is
0.5 mol
50 mol
0.05 mol
5 mol
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15
×
The formula for calcium hydroxide is
CaOH<sub>2</sub>
Ca(OH)<sub>2</sub>
CaOH
CaO<sub>2</sub>H<sub>2</sub>
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15
×
Which one is the most alkaline in the pH scale?
Stomach acid
Tomatoes
Baking soda
Oven Cleaner
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15
×
The concentration of a solution of HCl containing 0.1 mol in 50 cm3 of water is
0.02 mol/l
0.002 mol/l
2 mol/l
0.2 mol/l
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banana
Go to last place!
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seesaw
Swap points!
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×
shark
Other team loses 15 points!
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×
baam
Lose 10 points!
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15
×
When Magnesium oxide neutralises sulphuric acid the salt produced is called..
magnesium sulphide
sulphur magneside
magnesium sulphate
magnesium sulphorous
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15
×
The general word equation of the reaction of an acid with a metal is
metal + acid --> salt + hydrogen
metal + acid --> salt + water
metal + acid --> salt + carbon dioxide
metal + acid --> salt + vinegar
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15
×
Acids have a pH less than 7
False
True
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15
×
In a neutralisation reaction the pH moves....
towards 7
towards 1
towards 14
towards Glasgow
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monster
Reset all scores!
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×
star
Double points!
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shark
Other team loses 25 points!
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banana
Go to last place!
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15
×
The products in the picture are examples of everyday....
Bases
Acids
Cleaning products
Salts
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15
×
What is another word for combustion?
Exothermic
Burning
Incinerating
Melting
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banana
Go to last place!
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gift
Win 25 points!
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fairy
Take points!
5
10
15
20
25
×
baam
Lose 5 points!
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15
×
Which is the most accurate way of measuring pH?
pH paper
Indicator
electronic pH meter
Just use your finger
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15
×
The ionic formula for Magnesium chloride is...
Mg<sup>2+</sup>Cl<sup>-</sup><sub>2</sub>
(Mg<sup>+</sup>)<sub>2</sub>Cl<sup>-</sup>
Mg<sup>2+</sup>(Cl<sup>-</sup>)<sub>2</sub>
Mg<sup>+</sup>Cl<sup>-</sup>
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