acids and alkalis and testing Ph

Question 1

acids contain what ions?

Answer 1

H+ ions

Question 2

alkalis contain what ions?

Answer 2

OH- ions

Question 3

what is the most accurate method used to indicate the Ph of a solution?

Answer 3

Universal indicator

Question 4

a neutral solution has what amount of H+ and OH- ions?

Answer 4

an equal amount of both.

Question 5

what colours indicates an acid with universal indicator?

Answer 5

red, orange, yellow and light green

Question 6

what colours indicate a neutral solution with universal indicator?

Answer 6

a green colour

Question 7

what colour indicates an alkaline with universal indicator?

Answer 7

dark green, blues and purples.

Question 8

what can acids and alkaline do that means we have to be careful with them?

Answer 8

they can be corrosive and irritants.

Question 9

what Ph number on the scale are used to indicate that the solution is an acid?

Answer 9

zero - six

Question 10

what Ph number on the scale is used to indicate a neutral solution?

Answer 10

seven

Question 11

what numbers on the Ph scale are used to show an alkali

Answer 11

eight - fourteen