The table shows the pH levels of four common items. If a student tests a sample of each item, which will turn a strip of red litmus paper blue? a-lemon juice
b- vinegar
c-coffee
d-hand soap

please answer and have an explanation.

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answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck

the molecules move in straight line until they collide with each other or with the walls of the container. collisions are perfectly elastic; when two molecules collide, they change their directions and kinetic energies, but the total kinetic energy is conserved.

explanation:

a) the particles of the chair are strongly held together.