2Gwen added drops of sodium hydroxide solution to the grapefruit juice. The litmus paper soon turned blue. What does the blue colour show about the sodium hydroxide solution?

Which type of stress results when two plates push against one another? a. compression b. tension c. force d. shear

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull