Question

state difference between acid and base​

Answer 1

Explanation:

An acid is a substance that produces hydrogen ion (H+) as the only positive ion when mixed with water. A base is a substance that produces hydroxyl ion (OH–) as the only negative ion when mixed with water. An acid is a species that can release/donate a proton to another species

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Answer 2

Explanation:

Acids

☞ Acids have a sour taste. Lemons, vinegar, and sour candies all contain acids.

☞.Acids change the color of certain acid-base indicators. Two common indicators are litmus and phenolphthalein. Blue litmus turns red in the presence of an acid, while phenolphthalein turns colorless.

☞Acids react with active metals to yield hydrogen gas. Recall that an activity series is a list of metals in descending order of reactivity. Metals that are above hydrogen in the activity series will replace the hydrogen from an acid in a single-replacement reaction, as shown below:

☞Acids are very common in some of the foods that we eat.

Bases:-

☞Aqueous solutions of bases are also electrolytes. Bases can be either strong or weak, just as acids can.

☞Bases often have a bitter taste and are found in foods less frequently than acids. Many bases, like soaps, are slippery to the touch.

☞Bases also change the color of indicators. Litmus turns blue in the presence of a base while phenolphthalein turns pink.

☞Bases do not react with metals in the way that acids do.

☞Bases react with acids to produce a salt and water.