9-B Chemistry tests

Halogens

10

Which elements belong to the halogen group?

F,Cl,Br,I,At,Ts

20

Which group are halogens belong to?

7

30

Which of the "Halogens" has yellowish-green color?

Chlorine

40

Chlorine is use.....

Manifacture of dyes,explosives,bleaching powder and artificalrubber

50

What is color of bromine?

Reddish-brown

Sulfur

10

Logotip of Sulfur

S

20

Which group are  Oxygen's belong to?

16^th

30

Molar mass of sulfur?

32,065g

40

What is the color of natural sulfur?

Yellow

50

At what temperature does the sulfur dissolve?

115.21 °C

Math

10

12+13

25

20

123+125

248