Write the molecular equationfor when 2 drops of universal indicator is added to HCl. Then write the molecular equation(s) for when that same soluation recieves an addition of 3, 6, 9 and 12 drops of 1 M NaOH

The answer for #3 is c but i don't know why

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several