Which of the following household substances will turn red litmus blue?
(a) Baking Soda
(b) Vinegar
(c) Lemon Juice
(d) Bleach
1
a, b
2
b, c
3
a, c
4
a, d
Which of the following household substances will turn red litmus blue?
(a) Baking Soda
(b) Vinegar
(c) Lemon Juice
(d) Bleach