C1.4.1 Acids and Alkalis Flashcards
Acids all taste…
sour
Alkalis all feel…
soapy
Vinegar, oranges and lemons all contain an acid or alkali?
Acid
Toothpaste, soap and bleach all contain an acid or alkali?
Alkali
What is the main hazard linked to acids?
They are corrosive (will burn your skin or eyes)
What safety precautions can we take when working with acids and alkalis?
Wear safety glasses
Wear gloves
Which acid is found in vinegar?
Ethanoic acid
Which acid is found in citrus fruits such as lemons and limes?
Citric acid
Which type of acid is found in your stomach?
Hydrochloric Acid
How can we dilute acids and alkalis?
By adding water to them
Which are more dangerous: concentrated acids and alkalis or dilute acids and alkalis?
Concentrated acids and alkalis
What is meant by a concentrated acid?
An acid that contains many more acid particles (H+) compared to water particles.
What is meant by a concentrated alkali?
An alkali that contains many more alkali particles (OH-) compared to water particles.
What is the scientific name for acid particles?
H+ (hydrogen ions)
What is the scientific name for alkali particles?
OH- (hydroxide ions)
