Acids and Alkalis

Question 1

All solutions in water are either _______, ________ or _______. We can tell
them apart by using solutions called indicators.

Answer 1

acidic
alkaline
neutral.

Question 2

how do you know if a substance is neutral?

Answer 2

if the universal indicator is exactly 7 then it is neutral

Question 3

how do you know if a substance is acidic?

Answer 3

if the universal indicator is under 7 then it is acidic

Question 4

how do you know if a substance is alkaline

Answer 4

if the universal indicator is over 7 then it is alkaline