4 Sains - Chemistry by SITI NOOR SHAHEERA ILANI BT SHAH AZAM Moe https://padlet.com/g28372011/ionicequation Space for group activities. en-us 2021-07-11 05:30:33 UTC 2025-12-04 23:01:53 UTC hello@padlet.com https://padlet.net/icons/png/2697.png g28372011 https://padlet.com/g28372011/ionicequation/wish/1644374719 MEMBERS:
LEOW JIAN YONG
LIM WAI KIT
LIM ZHI HIN
LIM ZHI YONG

TASK: 
PREPARE SILVER CHLORIDE

Chemical formula of salt:
AgCl

Type of salt:
Insoluble

Method used to prepare:
Precipitation


Chemical equation:
AgNO3+KCl->AgCl+KNO3


Ionic equation (if any):
Ag+ + Cl- -> AgCl
]]> 2021-07-11 05:30:33 UTC https://padlet.com/g28372011/ionicequation/wish/1644374719 g28372011 https://padlet.com/g28372011/ionicequation/wish/1644374721 MEMBERS:
FIRDAUS
GAN WEI GUANG
LEE BIN WEI
LEE XUN ZHE

TASK: 
PREPARE ZINC CHLORIDE

Chemical formula of salt:
ZnCl2


Type of salt:
Soluble salt

Method used to prepare: 
Reaction between 
Acid + Reactive metal



Chemical equation:
Zn + 2HCl > ZnCl2 + H2


Ionic equation (if any): - 

]]> 2021-07-11 05:30:33 UTC https://padlet.com/g28372011/ionicequation/wish/1644374721 g28372011 https://padlet.com/g28372011/ionicequation/wish/1644374723 MEMBERS:
PUNG HONG SHENG
SHAHRUL HAZIM
CARMEN LAU
KATHLYN TRESA

TASK: 
PREPARE MAGNESIUM CARBONATE

Chemical formula of salt:
MgCO3

Type of salt:
Insoluble

Method used to prepare:
Reaction between any soluble magnesium salt and sodium bicarbonate
double decomposition reaction

Chemical equation:
Mg(NO3)2 + K2CO3 --->>> MgCO3 + 2KNO3


Ionic equation (if any):
Mg2+ + CO3 2-  ---> MgCO3
]]> 2021-07-11 05:30:33 UTC https://padlet.com/g28372011/ionicequation/wish/1644374723 g28372011 https://padlet.com/g28372011/ionicequation/wish/1644374724 MEMBERS:
NUKMAN
AMIEL AFIF TAN
CHAI ZHEN ANN
CHUNG YUN CHENG

TASK: 
PREPARE LEAD (II) CHLORIDE

Chemical formula of salt:
PbCl2

Type of salt:
Insoluble

Method used to prepare:
Precipitation

Chemical equation:
Pb（NO3)2+2NaCl-->PbCl2+2Na(NO3)

Ionic equation (if any):
Pb(2+)+2Cl(-)-->PbCl2



]]> 2021-07-11 05:30:33 UTC https://padlet.com/g28372011/ionicequation/wish/1644374724 g28372011 https://padlet.com/g28372011/ionicequation/wish/1644374725 MEMBERS:
LEIW JIA QI
LOI XUE ERN
NADIRAH
NUR IRDINA

TASK: 
PREPARE CALCIUM SULPHATE

Chemical formula of salt:
CaSO4

Type of salt:
Insoluble

Method used to prepare:
Precipitation reaction

Chemical equation:
Ca(NO3)2 + Na2SO4 --> CaSO4 + 2NaNO3


Ionic equation (if any):
Ca2+ + SO4 2- --> CaSO4
]]> 2021-07-11 05:30:33 UTC https://padlet.com/g28372011/ionicequation/wish/1644374725 g28372011 https://padlet.com/g28372011/ionicequation/wish/1644374726 MEMBERS:
MACSEN CHIA
ALIF ADHIM
NABIL
OMAR AFFANDI

TASK: 
PREPARE COPPER (II) CARBONATE

Chemical formula of salt:
CuCO3

Type of salt:
Insoluble

Method used to prepare:
Double decomposition reaction

Chemical equation:
Cu(NO3)2 + Na2CO3 -> CuCO3 + 2NaNO3

Ionic equation (if any):
Cu2+ + CO32- -> CuCO3
]]> 2021-07-11 05:30:33 UTC https://padlet.com/g28372011/ionicequation/wish/1644374726 g28372011 https://padlet.com/g28372011/ionicequation/wish/1644374727 MEMBERS:
NURUL ILISHAH
PUTERI ADILA
SHARARA KABIR
SITI NOR AZIZA
YAP ZHI TING

TASK: 
PREPARE MAGNESIUM SULPHATE

Chemical formula of salt:
MgSO4

Type of salt:
Soluble/Insoluble
Soluble
Method used to prepare:
Reaction between acid + metal oxide 

Chemical equation:
H2SO4 + MgO --> MgSO4 + H2O


Ionic equation (if any):
]]> 2021-07-11 05:30:33 UTC https://padlet.com/g28372011/ionicequation/wish/1644374727 g28372011 https://padlet.com/g28372011/ionicequation/wish/1644374728 HEY EVERYONE. YOU'VE BEEN  DIVIDED INTO 7 GROUPS. PLEASE FIND YOUR NAME IN THE GROUP COLUMNS.

READ THE TASK.
ANSWERS THE QUESTIONS.

YOUR ANSWERS SHOULD BE WRITTEN IN THE POST.

YOU CAN DISCUSS AMONG YOUR GROUP MEMBERS IN COMMENT SECTION.

GOOD LUCK! PLEASE COMMENT HERE ONCE YOU'RE DONE.]]> 2021-07-11 05:30:33 UTC https://padlet.com/g28372011/ionicequation/wish/1644374728 Yeah! m6100529 https://padlet.com/g28372011/ionicequation/wish/1647197068 2021-07-13 05:16:30 UTC https://padlet.com/g28372011/ionicequation/wish/1647197068