Chemistry (4th)

Question 1

What is the taste of Acids?

Answer 1

Sour

Question 2

What is the taste of Bases?

Answer 2

Bitter

Question 3

In litmus paper, acid turns?

Answer 3

Red

Question 4

In litmus paper, bases turns to?

Answer 4

Blue

Question 5

Acid/Base is slippery

Answer 5

Base

Question 6

Acid/Base is sticky

Answer 6

Acid

Question 7

Acids are?

Answer 7

Electrolytes

Question 8

Bases are?

Answer 8

Not electrolytes

Question 9

In Methyl orange, acid turns to?

Answer 9

orange

Question 10

In Methyl orange, base turns to?

Answer 10

Reddish

Question 11

Phenolphthalein, acid and base turns to?

Answer 11

Acid - colorless
Base - Pink or faith pink

Question 12

Bromothylmol Blue, acid and base turns to?

Answer 12

Acid - yellow
Base - blue

Question 13

pH: Less than 7….

Answer 13

Reacts with most metals to prduce H2 and salt.
React with metal oxides to produce water and salt.
Neutralized bases

Question 14

pH: Greater than 7…

Answer 14

Neutralized acids

Question 15

A substance possessing both acid and base properties is called?

Answer 15

Amphiprotic

Question 16

An example of amphiprotic is?

Answer 16

Water (H2O)

Question 17

Bronsted-Lowry Acid focuses on?

Answer 17

The exchange of transfer of protons.

Question 18

This is a substance capable of Donating a proton?

Answer 18

Acid

Question 19

This is a substance capable of Receiving a proton

Answer 19

Base

Question 20

Remember DAAB

Answer 20

Donor Acid, Acceptor Base

Question 21

We add hydrogen and add charge by 1 (+H+1) in the product side is called?

Answer 21

Conjugate acid

Question 22

We remove hydrogen and decrease the charge by 1 (-H-1) in the product side is called?

Answer 22

Conjugate base

Question 23

A reaction that involves the transfer of electrons between chemical species.

Answer 23

Redox reaction

Question 24

Redox reaction is also called a/an?

Answer 24

oxidation-reduction

Question 25

Oxidation _____ an electron (OIL)

Answer 25

Loses

Question 26

Reduction ______ an electron (REDGE)

Answer 26

Gains

Question 27

Examples of redox reaction are?

Answer 27

Batteries, Breathalyzer, fossils, etc.

Question 28

Acid produces ____ ions in aqueous solutions.

Answer 28

H+

Question 29

Base produces ____ ions in aqueous solutions.

Answer 29

OH-

Question 30

This is a methods for tracking where electrons go during a chemical reaction.

Answer 30

Oxidation number

Question 31

This is a reactant contains the reduced element.

Answer 31

Reducing agent

Question 32

A process by which electrons are transferred from the metal to the non metal.

Answer 32

Oxidation-Reduction

Question 33

What are the examples of Redox reactions?

Answer 33

a. breakdown of glucose in the body b. Bleaching of hair c. Chemical reactions inside of batteries. d. Photosynthesis

Question 34

What are the examples of oxidation reaction?

Answer 34

a. Combustion of fuels. b. Corrosions of materials. Change of color of fruits like apples, bananas. when they are cut. c. Burning of crackers.