science - acids and alkalais

Question 1

what does corrosive mean

Answer 1

reacts with materials and makes them dissolve

Question 2

What does irritant mean

Answer 2

something that reddens or irritated the skin

Question 3

what colour will an acid turn on an universal indicator?

Answer 3

red

Question 4

what colour will an alkali turn on an universal indicator?

Answer 4

blue

Question 5

chemical that is a different colour in an alkali and in an acid, used to identify whether an unknown solution is an alkali or an acid

Answer 5

indicator

Question 6

measures the acidity/alkalinity on a scale of 0 - 14

Answer 6

pH/universal indicator

Question 7

what are the colours of - strong acid, neutral , strong alkali

Answer 7

strong acid - red
neutral - green
strong alkali - blue

Question 8

this indicator contains anthocyanin, it changes colour whether the substance is an acid or alkali

Answer 8

red cabbage indicator

Question 9

a chemical reaction in which an acid and a base react with eachother resulting in a neutral solution - One that is neither acid or alkali

Answer 9

neutralisation

Question 10

a technique where a solution of known concentration is used to determine the concentration of an unknown solution

Answer 10

titration