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15 questions
What do all acids contain?
Hydroxide ion
Hydrogen ion
Calcium ion
Water
What ion do all alkali solutions contain?
What colour does universal indicator turn in a strong acid?
Purple
Yellow
Red
Green
What colour does universal indicator turn in a strong alkali?
Purple
Yellow
Red
Green
What colour does universal indicator turn in a neutral solution?
Purple
Yellow
Red
Green
What pH is a neutral solution?
A solution turns blue litmus paper red, what is the chemical?
An acid
An alkali
Neutral
Cannot tell
A solution turns blue litmus paper blue, what is the chemical?
An acid
An alkali
Neutral
Cannot tell
What gas is formed when a metal reacts with an acid?
What acid is used to make magnesium chloride crystals
Hydrochloric acid
Sulfuric acid
Nitric acid
Phosphoric acid
What salt is made in the reaction between sodium and sulfuric acid?
silver sulfate
sodium nitrate
sodium sulfate
sodium chloride
What type of solution has a pH of 12?
Neutral
Acidic
Alkali
What type of solutions are soaps?
Acidic
Neutral
Alkali
What is always made in a neutralisation reaction?
How can we test a gas to see if it is hydrogen?
A lit splint will make a squeaky pop sound
Limewater will turn cloudy
Damp blue litmus paper will be bleached
A glowing splint will relight
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