Question

changes.
4. When baking soda is mixed with lemon juice, bubbles are formed with
the evolution of a gas. What type of change is it? Explain.
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Answer 1

When a person mixes lemon juice and baking soda, the citric acid reacts with the sodium bicarbonate to produce a buffer called sodium citrate. A buffer refers to a weak acid or base that prevents drastic pH changes. Although lemon juice does not neutralize stomach acid, it may help stabilize the pH level inside the stomach.

Answer 2

Explanation:

WHEN BAKING SODA IS MIXED WITH LEMON JUICE.

AS BAKING SODA. (SODIUM BICARBONATE ) IS ALKALINE IN NATURE AND LEMON JUICE ACIDIC.

SO WE KNOW THAT WHEN CARBONRATE REACTS WITH ACID THEN IT LEADS TO THE FORMATION OF SALT , WATER AND CARBON DIOXIDE.

IT IS A CHEMICAL CHANGE.