Editing Exercise 1: Acids and Bases
By Shobha Nandagopal
Directions: Edit the sentences below for errors. After typing your edited sentence in the box, click on “answer” to see if you are correct.
An acid have a sour taste while a base taste bitter.
Lemon juice which it contains citric acid tastes, sour while, soap which contains bases feels, slippery.
If litmus, which is a vegetable dye, is introduced into an acid, it changes color from blue to red.
An alkali too changes the litmus paper from red to blue.
Furthermore acids become less acidic when they combine with bases because bases become less alkaline when they combine with acids.