Acids & Bases (gr 10 science)
Is a substance with a PH score under 7 an acid, base or neutral?
Acid
Is a substance with a PH score of 7 an acid, base or neutral?
Neutral
Is substance iwth a PH score over 7 an acid, base or neutral?
Base
If a neutral substance is tested with litmus paper, what colour will the strips be?
Red & Blue
If an acidic substance is tested with litmus paper, what colour will the strips be?
Red
If a basic substance is tested with litmus paper, what colour will the strips be?
Blue
if a basic substance is tested with bromothymol Blue, what colour will it turn?
Blue
If an acidic substance is tested with bromothymol Blue, what colour will it turn?
Yellow
If you test an acidic substance in phenolphthalein, will it stay clear or turn pink?
stay clear
If you test an basic substance in phenolphthalein, will it stay clear or turn pink?
turn pink
What kind of acids contain hydrogen and one non-metal?
Binary
What kinds of acids contain hydrogen and an oxygen-containing polyatomic ion?
Oxy
Do bases or acids produce hydroxide ions when dissolved in water?
bases
Do bases or acids produce hydrogen ions when dissolved in water?
Acids
If a substance starts with 'hydro-' and ends in '-ic acid', what kind of substance is it?
Binary acid
If a substance starts with the name of a polyatmoic ion and ends with '-ic acid' what kind of substance is it?
Oxy acid
If a substance dries you out, is it an acid, base or neutral?
Acid
If a substance is slippery/soapy, is it an acid, base, or neutral?
Base
If a substance is tested with red cabbage juice and it turns red, light pink, dark pink, or purple, is it an acid or a base?
acid
If a substance is tested with red cabbage juice and it turns blue, aqua, green or yellow, is it an acid or base?
Base
What colours can an acid turn red cabbage juice?
red, light pink, dark pink, purple
What colours can a base turn red cabbage juice?
blue, aqua, green, yellow