Acid And Alkalis Y8 C Flashcards
How many numbers in the ph scale?
14
What numbers are neutral on the ph scale?
7 is the most neutral but 6 is very weekly acidic and 8 is very weekly alkaline. All the numbers a shade of green
What colours are alkali and acid?
Acid is red/ orange, alkaline is purple/blue
What numbers are acid and alkaline on the ph scale?
Acid is 0-7 (0 being the most acidic) alkaline is 7-14(14 being the most acidic
What neutralises a acid?
And alkaline
What neutralises alkaline
An acid
List some examples of acids that we have in our home?
Lemon 🍋, vinegar, coke, coffee.
Describe two acids that may be used to make fertilisers.
Sulphuric acid, hydrochloric acid.
Suggest what taste acids in common
Quite sour.
Why do you use diluted acid in schools?
If you spillage acid on your hands, it will only be irritated 😣 because there are fewer acid particles.
What precautions should you take when working with acids?
Wear gloves 🧤,tie your hair back and wear goggles 🥽
Why are more concentrated acids more harmful?
There more harmful because the particles are more close together.
Name some alkaline cleaning products
Soap 🧼 , disinfect, oven cleaner
Name two alkalis that are safe to put In your mouth and two that are not.
Bleach and oven cleaner are not safe, toothpaste and baking powder is safe
How would life change if there were no alkaline?
You wouldn’t be able to wash