__1__ was used as an indicator because it is colorless in __2__ solutions and pink in __3__ solutions.

ANSWER:
1.) phenolphthalein
2.) neutral and acidic
3.) basic

What is the mass of 8 moles of sodium atoms

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

When a septic tank backs up a goes in to clean it out