Will mark brainliest
Question 26 (Mandatory) (2 points)
This photo shows a clear liquid being poured into a jar with another clear liquid. A yellow forms in the jar.

Yellow stuff

Question 26 options:

solvent

plasma

solute

precipitate

Question 27 (Mandatory) (2 points)
Question 27 options:
Fill in the blank: The number of molecules in a chemical reaction are indicated by the .
Question 28 (Mandatory) (2 points)
Which picture most accurately shows the Lewis Dot Diagram of Bromine?

Question 28 options:

bromine 4

bromine 2

bromine 3

bromine 1

Question 29 (Mandatory) (2 points)
What is the correct name of the following ionic compound: CaO. Follow the correct naming rules we learned in class!

Question 29 options:

oxocalcium

calcium oxygen

calcium oxide

monocalcium monoxide

Question 30 (Mandatory) (2 points)
What is the correct name of the following covalent compound: C2H6. Follow the correct naming rules we learned in class!

Question 30 options:

ethane

carbon hydrogen

dicarbon hexahydride

carbon hydride

Question 31 (Mandatory) (2 points)
What happens in a neutralization reaction?

Question 31 options:

Acid and base results in salt and water that are neutral pH

Nothing happens

pH of 7 makes everything it touches turn neutral

Protons balance electrons

Question 32 (Mandatory) (6 points)
Matching: Label each of the following characteristics as Acid or Base.

Question 32 options:

pH 5

corrodes active metals

high pH

turns litmus paper blue

donates H+

slippery

1.
acid

2.
base

Question 33 (Mandatory) (2 points)
Covalent bonds occur between and .

Question 33 options:

metals and nonmetals

metals and metals

nonmetals and nonmetals

Question 34 (Mandatory) (2 points)
Ionic bonds occur between and .

Question 34 options:

metals and nonmetals

nonmetals and nonmetals

metals and metals

Question 35 (Mandatory) (2 points)
Why are buffers important in living organisms?

Question 35 options:

Buffers make bases work more effectively

Buffers prevent pH changes in body systems

Buffers kill bacteria and viruses

Buffers cause acids to break down food

Question 36 (Mandatory) (2 points)
Question 36 options:
Fill in the blank: The number of atoms of an element in a molecule are indicated by the .
Question 37 (Mandatory) (2 points)
Chemical reactions must be because...

Question 37 options:

Balanced because of the law of conservation of matter and energy

Larger on the product side because new substances are produced

Not enough information

Smaller on the reactant side because the reactants are used up

Question 38 (Mandatory) (2 points)
Which of the following is NOT an indication that a chemical reaction took place?

Question 38 options:

New substance formed

Bubbles

Change in shape

Precipitate forms