acids and alkalines

Question 1

what do acids produce?

Answer 1

hydrogen ions in aqueous solutions

Question 2

what do alkalines produce?

Answer 2

hydroxide ions in aqueous solutions

Question 3

what does aqueous mean?

Answer 3

dissolved in water

Question 4

what are bases?

Answer 4

chemicals which can neutralise acids and produce a salt and water

Question 5

what do bases usually neutralise?

Answer 5

metal oxides or metal hydroxides

Question 6

what is the equation for neutralisation?

Answer 6

hydrogen+ hydroxide = water
H+ + OH- = H2O

Question 7

what do acids and alkalines react together to make?

Answer 7

water

Question 8

what is the pH value for alkalines?

Answer 8

8-14

Question 9

what is the pH value for acids?

Answer 9

less than 7

Question 10

what is the pH value for neutral?

Answer 10

7

Question 11

what is the colour for acids?

Answer 11

towards red

Question 12

what is the colour of alkalines?

Answer 12

towards purple

Question 13

what is the colour of neutral?

Answer 13

green

Question 14

what are the methods/equipment we can use to determine pH?

Answer 14

pH probe OR universal indicator

Question 15

what is an example of an acid?

Answer 15

HCl - hydrogen chloride

Question 16

what is an example of an alkaline?

Answer 16

NaOH - sodium hydroxide