Give four difference between the acid and alkalis
Answers
Answer:
What is an acid?
An acid is a substance that has a pH of less than 7 that breaks down into hydrogen ions when dissolved in water. The strength of acids is also different and is indicated by the pH number. Examples of acids are hydrochloric acid and ethanoic acid.
What is an alkali?
An alkali is a substance that has a pH of more than 7 and breaks down into hydroxide ions when dissolved in water. The resulting solution after mixing an alkali with water is called an alkaline solution. The strength of alkalis is indicated by the pH number. A good example is ammonia.
Explanation:
ACID ALKAIS
pH : Less than 7 More than 7
Ions : Produce hydrogen ions when dissolved in water Produce hydroxide ions when dissolved in water
Feel when touched : A bit sticky Slippery or soapy
Taste : Sour Bitter
Common real-life examples : Bee stings, lime, and vinegar. Toothpaste, shampoo, oven cleaner, and wasp stings
Answer:
1) They have a sour taste
2) They do not affect turmeric solution
3) They turn China rose solution to deep pink colour
4) Most of the acids are soluble in water