If litmus paper is dipped in an acidic solution, what will happen? The solution will turn red. The paper will turn blue. The solution will turn blue. The paper will turn red. please help

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

If i add water to oil what will happen

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.