acids and alkalines

Question 1

what is the ph acid, alkali and neutral?

Answer 1

acid ▶️ under 7
alkaline ▶️ over 7
neutral ▶️ 7

Question 2

what happens to litmus paper with acid?

Answer 2

blue paper ▶️ turns red

red paper ▶️stays red

Question 3

what happens to litmus paper with alkaline?

Answer 3

blue paper ▶️ stays blue

red paper ▶️turns blue

Question 4

what happens to litmus with neutral solution?

Answer 4

no reaction

Question 5

universal indicator of acid

Answer 5

red/orange

Question 6

universal indicator of alkaline

Answer 6

blue/purple

Question 7

universal indicator of neutral

Answer 7

green

Question 8

example of acids, alkaline and neutral solutions

Answer 8

acid - lemon, orange, vinegar
alkaline - bleach, toothpaste
neutral - water

Question 9

what do all acids contain

Answer 9

H+ ions

Question 10

what do all alkalis contain

Answer 10

OH- ions

Question 11

example of an acid solution

Answer 11

sulphuric acid

Question 12

example of an alkali solution

Answer 12

limestone

Question 13

what happens in neutralisation

Answer 13

same amount of acid and alkali are mixed and react to form waterblue paper ▶️ a neutral solution

Question 14

what is the theory called about acids and alkali neutralisation

Answer 14

bronsted lowry theory

Question 15

when acids dissolve in water what do they form?

Answer 15

hydrogen ionsblue paper ▶️ H+

Question 16

when alkalis dissolve in water what do they form?

Answer 16

hydroxide ions ▶️ OH-

Question 17

what is the ionic equation for neutralisation?

Answer 17

H+ + OH- ▶️ H20