Which of the following solutions would have the highest pH? Assume that they are all 0.10 M in acid at 25∘C. The acid is followed by its Ka value. D) HCHO2, 1.8 × 10-4 E) HClO2, 1.1 × 10-2 B) HCN, 4.9 × 10-10 C) HNO2, 4.6 × 10-4 A) HF, 3.5 × 10-4

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

What can be found in the ionosphere

Iwould appreciate if someone could me.