Question

2 Test - tube 'A' contain dilute NaOH solution and testube Bicontains lemon juice When
a student dipped a pH paper in two test tubes separately which colour does he see on pH
paper in both test tubes.​

Answer 1

I guess that in test tube A the student will observe red litmus turning blue as sodium hydroxide is basic in nature and in test tube B the student will see a blue litmus red as lemon juice is calcium oxide and it is acidic in nature

#hope it helps.......!!!!!!

Answer 2

Answer:NAOH SOLUTION IS BASIC AND LEMON JUICE ACIDIC

Explanation:

NAOH TURN PAPER TO RED TO BLUE AND LEMON BLUE TO RED