Question

a) Which of the following turns red litmus to blue?

vinegar
baking soda
orange juie
soft drinks​

Answer 1

Answer:

Baking soda

Explanation:

Ammonia gas turns red litmus paper blue because it has a pH of 11.6. ... Sodium bicarbonate, otherwise known as baking soda, has a lower pH level still, at around 8.4, but it is still alkaline because it is above the neutral pH value of 7.11

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