Chemistry I - General Knowledge

Question 1

Nitrate Ion

Answer 1

NO₃-

Question 2

Nitrite Ion

Answer 2

NO₂-

Question 3

Thiosulphate Ion

Answer 3

S₂O₃^2-

Question 4

Sulphate Ion

Answer 4

SO₄^2-

Question 5

Sulfite Ion

Answer 5

SO₃^2-

Question 6

Sulphide Ion

Answer 6

S^2-

Question 7

Carbonate Ion

Answer 7

CO₃^2-

Question 8

Hydrogen Carbonate Ion

Answer 8

HCO₃-

Question 9

Phosphate Ion

Answer 9

PO₄^3-

Question 10

Hydroxide Ion

Answer 10

OH^-

Question 11

Oxide Ion

Answer 11

O^2-

Question 12

Nitric Acid

Answer 12

HNO₃

Question 13

Nitrous Acid

Answer 13

HNO₂

Question 14

Sulphurous Acid

Answer 14

H₂SO₃

Question 15

Dihydrogen Sulphide

Answer 15

H₂S

Question 16

Carbonic Acid

Answer 16

H₂CO₃

Question 17

Phosphoric Acid

Answer 17

H₃PO₄

Question 18

The Four Halide Ions

Answer 18

Flouride (F^-)

Chloride (Cl^-

Bromide (Br^-)

Iodide (I^-)

Question 19

Chromate Ion

Answer 19

CrO₄^2-

Question 20

Dichromate Ion

Answer 20

Cr₂O₇^2-

Question 21

Permanganate Ion

Answer 21

MnO₄^-

Question 22

Hydrogen Fluoride

Answer 22

HF

Question 23

Hydrogen Chloride

Answer 23

HCL

Question 24

Ammonium Ion

Answer 24

NH4⁺

Question 25

Iron(II) Ion

Answer 25

Fe²⁺

Question 26

Iron(III) Ion

Answer 26

Fe³⁺

Question 27

Mercury(I) Ion

Answer 27

Hg₂²⁺

Question 28

Mercury(II) Ion

Answer 28

Hg²⁺

Question 29

Zinc Ion

Answer 29

Zn²⁺

Question 30

Alkali Metals

Answer 30

Group 1 Elements Form Me⁺ Ions

Question 31

Alkali Earth Metals

Answer 31

Group 2 Elements Form Me²⁺ Ions

Question 32

Density (ρ) Units

Answer 32

g/dm³

Question 33

Mass Concentration Unit

Answer 33

g/dm³

Question 34

Mass Fraction Unit

Answer 34

g/g