1. Test: Use the Gizmo to find the pH of each of the available substances. Classify each substance as acidic (pH < 7), alkaline (ph> 7), or neutral (pH = 7).
0-14 pH indicator paper
pH value Acidic, alkaline, or neutral?
13
Material in the tube
Baking soda
Bleach
Coffee
Cola
Drain cleaner
Hand soap
Juice (lemon)
Juice (orange)
Juice (tomato)
Milk
Milk of magnesia
Oven cleaner
Saliva (human)
Shampoo
Stomach acid
Vinegar
Water (distilled)
Water (ocean)
10

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

Name 3 types of energy you see being used as you look around a classroom