4th quarter exam (Gen chem II)

Question 1

Any substance that in water solution that tastes sour, changes colour of certain indicators

Answer 1

Acid

Question 2

Reddens blue litmus paper

Answer 2

Acid

Question 3

Reacts with metals like Iron and reacts with bases to form salts

Answer 3

Acid

Question 4

Promotes certain chemical reactions (Acid Catalysis)

Answer 4

Acid

Question 5

Examples of Acids Inorganic

Answer 5

sulfuric, nitric, hydrochloric and phosphoric acids

Question 6

Examples of Acids Organic

Answer 6

carboxylic acid, sulfonic acid, and phenol groups

Question 7

Examples of Strong Acids and their Chemical Structures

Answer 7

Hydrochloric Acid (HCl)
Hydrobromic Acid (HBr)
Hydroiodic Acid (Hl)
Nitric Acid (HNO3)
Perchloric Acid (HClO4)
Sulfuric Acid (H2SO4)

Question 8

a substance that can neutralize
the acid by reacting with hydrogen ions

Answer 8

Base

Question 9

are minerals that react with acids to form water and salts

Answer 9

Base

Question 10

Base includes

Answer 10

oxides, hydroxides and carbonates of metals

Question 11

The soluble bases are called

Answer 11

Alkalis

Question 12

in chemistry, any substance that in water solution is slippery to the touch, tastes bitter, changes the color of indicators

Answer 12

Base

Question 13

Turns blue litmus paper red

Answer 13

Base

Question 14

reacts with acids to form salts, and promotes certain chemical reactions (base catalysis)

Answer 14

Base

Question 15

Examples of bases

Answer 15

hydroxides of the alkali and alkaline earth metals (sodium, calcium, etc.) and the water solutions of ammonia or its organic derivatives (amines)

Question 16

Positively Hydrogen Charged Ions (OH)

Answer 16

Acid

Question 17

Negatively Hydrogen Charged Ions (OH-)

Answer 17

Base

Question 18

Examples of Strong bases with their Chemical Structure

Answer 18

Lithium Hydroxide (LiOH)
Sodium Hydroxide (NaOH)
Potassium Hydroxide (KOH)
Calcium Hydroxide (Ca(OH)2)
Barium Hydroxide (Ba(OH)2)

Question 19

any of a class of nitrogen containing organic compounds usually prepared from hydroxylamine and an aldehyde, a ketone, or a quinone.

Answer 19

Oxime

Question 20

X\Y/C= N―OH, in which X and Y are hydrogen atoms or organic groups derived by removal of a hydrogen atom from an organic compound.

Answer 20

Oxime Structure

Question 21

any compound containing water in the form of H2O molecules, usually, but not always, with a definite content of water by weight.

Answer 21

Hydrate

Question 22

The best-known hydrates

Answer 22

Crystalline solids

Question 23

lose and regain water reversibly with little or no change in structure.

Answer 23

Zeolites

Question 24

any of the soluble hydroxides of the alkali metals—i.e., lithium, sodium, potassium, rubidium, and cesium.

Answer 24

Alkali

Question 25

strong bases that turn litmus paper from red to blue; they react with acids to yield neutral salts; and they are caustic and in concentrated form are corrosive to organic tissues.

Answer 25

Alkalies

Question 26

The term is also applied to the soluble hydroxides of such alkaline-earth metals as calcium, strontium, and barium and also to ammonium hydroxide.

Answer 26

Alkali

Question 27

term was originally applied to the ashes of burned sodium- or potassium-bearing plants, from which the oxides of sodium and potassium could be leached.

Answer 27

Alkali

Question 28

any of a class of naturally occurring organic nitrogen-containing bases.

Answer 28

Alkaloid

Question 29

are found primarily in plants and are especially common in certain families of flowering plants. In fact, as many as one-quarter of higher plants are estimated to contain alkaloids

Answer 29

Alkaloid

Question 30

any chemical compound containing one or more groups, each comprising one atom each of oxygen and hydrogen bonded together and functioning as the negatively charged ion OH-.

Answer 30

Hydroxide

Question 31

(HYDROXIDE) positively charged portion of the compound usually is the

Answer 31

ion of a metal (e.g., sodium, magnesium, or aluminum)

Question 32

quantitative measure of the acidity or basicity of aqueous or other liquid solutions

Answer 32

PH

Question 33

ranges between about 1 and 10−14 gram-equivalents per litre—into numbers between 0 and 14

Answer 33

PH LEVEL

Question 34

0-6 Ph level is

Answer 34

Acid

Question 35

7 Ph level is

Answer 35

Neutral

Question 36

8-14 Ph level is

Answer 36

Alkaline

Question 37

The word "PH" means

Answer 37

Potential Hydrogen

Question 38

Ph Scale level and their examples

Answer 38

1- Gastric Acid 2- Lemon Juice 3- Apple Juice 4- Tomato Juice 5- Black Coffee 6- Milk 7- Pure Water 8- Egg 9- Baking Soda 10- Hand Soap 11- Ammonia Solution 12- Bleach 13&14- Solutions of Alkalis