Knowledge Check: Tuesday 23rd April
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Onderdelen in deze les
Slide 1 - Tekstslide
Give 3 precautions we should take when handling acids in the lab.
Slide 2 - Open vraag
What is an indicator? Why do we use them?
Slide 3 - Open vraag
What colour did litmus paper go in an acid and an alkali solution?
Slide 4 - Open vraag
Sort the keywords into the correct box.
Acid
Alkali
Both
Sour
Bitter
Irritant
Corrosive
Lemons
Vinegar
Toothpaste
Soap
Bleach
Wear googles
Slide 5 - Sleepvraag
Match the keyword to the definition.
Lots of acid particles in less solvent.
Few acid particles in lots of solvent.
All the acid particles split up when dissolved.
Some acid particles split up when dissolved.
Concentrated
Dilute
Strong
Weak
Slide 6 - Sleepvraag
Match each diagram to the correct description.
strong & dilute
strong & concentrated
weak & dilute
weak & concentrated
