Question

***COL☺RS OF SUBSTANCES IN A COMP☻UND*** (REALLY HELPFUL FOR STUDENTS DOING O' AND A LEVELS)

Answer 1

Na/Ca/Mg/Zn/Sn/Pb/Ag = ♦GREY♦
Cu =♦Pink/Brown♦
F2 (fluorine) = Pale Yellow
CL2 (chlorine) = Greenish Yellow
Br2 = Orange/Red brown
I2 (iodine) = ♦Greyish black solid♦ (♦Purple in vaporized form and in non solvents as well♦) and ♦ Brown in water♦
HCL,HBR AND HI =♦ Steamy fumes♦ ( it's an observation)
CU(2+) = ♦blue♦ ♦sometimes green♦
CuSO4 (anhydrous) = ♦white♦
Mg on burning in air = ♦white light♦
Mgo = ♦white powder♦
Sulphur powder = ♦Yellow♦
AgCl =♦white♦
Agbr = ♦cream♦
AgI = ♦Yellow♦
Mn(2+) = colourless
NOBLES GASES + ACIDS LIKE SO2,SO3 = ♦colorless♦
CuO = black
Salts of metals other than transition metals = ♦white solids and give colorless solutions♦

Answer 2

***INDICATORS***
♣METHYL ORANGE♣ ♠ORANGE IN ACID♠ ♠ YELLOW IN ALKALI'S♠
♣ PHENOLPHTALEIN♣ ♠COLORLESS IN ACID♠ ♠ PINK IN ALKALI'S♠
♣LITMUS♣ ♠ RED IN ACID♠ ♠ BLUE IN ALKALI'S♠
UNIVERSAL INDICATOR ♠SAME♠ ♠SAME♠

Answer 3

☻ORGANISED IN THE EASIEST WAY☻
THANK YOU ALL F☺R READING

Answer 4

@Preetha

Answer 5

Ok?

Answer 6

-.^

Answer 7

Wow! Thanks for sharing! I didn't know all of the colors of the compounds. Thanks a lot Syed! :D
Keep up the great work! :D

Answer 8

You're Welcome =)))))
i am gonna make some more ( in biology ) and yeh summarized them as well...=)

Answer 9

These are for unit 3? One more week for that paper, and I still havent done anything :( If you have any revision notes for unit 3B that would be wonderful! & thanks for sharing this :)

Answer 10

You're welcome :). ...yeh i have...i will send it to u :)

Answer 11

This is really helpful. Keep up the great work

Answer 12

Thank you :)

Answer 13

Huge help for my upcoming Sat II next saturday. Thanks M8.

Answer 14

You're Welcome ☻

Answer 15

Great job!

Answer 16

Thnx :)

Answer 17

tysm

Answer 18

you're most welcome :)