Forwarded from iamarzXmatd
Forwarded from iamarzXmatd
Forwarded from iamarzXmatd
Ali has been instructed by his teacher to create Na2SO4 salt by his teacher.Give two substances which are suitable to be used to create the salt instructed.
Anonymous Quiz
27%
NaCl and BaSO4
34%
Na2CO3 and MgSO4
20%
NaNO3 and PbSO4
19%
NaCl and CaSO4
hey guys ! this is some random questions i want u all to answer and of course it is made from earth✨✨
Forwarded from iamarzXmatd
Fe3+ ion in solution can be converted tp Fe2+ ions by adding zinc powder. Which of the following can replace zinc powder in this reaction?
Anonymous Quiz
27%
Bromine water
31%
Potassium iodide solution
16%
Potassium hexacynaferrate (II) solution
27%
Acidified potassium manganate (VII) solution
Forwarded from iamarzXmatd
Forwarded from iamarzXmatd
Amsyar is taking a medicine given by a doctor when he has gastrik pain. Which of the following substance is contained in the medicine?
Anonymous Quiz
12%
HCl
43%
Mg(OH)2
23%
CH3COOH
22%
(NH4)2SO4
Forwarded from iamarzXmatd
Who discovered electron in atomic model?
Anonymous Quiz
17%
Neils Bohr
55%
J.J. Thompson
15%
James Chadwick
13%
Ernest Rutherford
Forwarded from iamarzXmatd
The following shows the uses for gas X.
- Used in flashlight of cameras
- Used in lakers for eye retina treatment What is gas X?
- Used in flashlight of cameras
- Used in lakers for eye retina treatment What is gas X?
Anonymous Quiz
42%
Krypton
30%
Xenon
19%
Radon
10%
Neon
If you have any questions regarding the quizzes, do leave them down below 👇
[PERKEMBANGAN MODEL ATOM]
John Dalton
- Zarah seni dipanggil atom
- Atom tidak boleh dicipta atau dimusnahkan
J.J Thomson
- Jumpa elektron yang bercas negatif
Ernest Rutherford
- Nukleus ada proton yang bercas positif
Neils Bohr
- Elektron bergerak dalam petala mengelilingi nukleus
James Chadwick
- Jumpa neutron yang bercas neutral
- Nukleus atom ada neutron dan proton
–Akronim by Ms Sakinah :
John Dalton
- Zarah seni dipanggil atom
- Atom tidak boleh dicipta atau dimusnahkan
J.J Thomson
- Jumpa elektron yang bercas negatif
Ernest Rutherford
- Nukleus ada proton yang bercas positif
Neils Bohr
- Elektron bergerak dalam petala mengelilingi nukleus
James Chadwick
- Jumpa neutron yang bercas neutral
- Nukleus atom ada neutron dan proton
–Akronim by Ms Sakinah :
Donald Trump Reka Bangunan CantikForwarded from indevonce
Apakah unsur utama yang terdapat di dalam aloi?
Anonymous Quiz
79%
Logam
11%
Bukan logam
5%
Bahan matriks
5%
Bahan pengukuhan
Forwarded from indevonce
Zn + 2AgNO₃ ----> Zn(NO₃)₂ + 2Ag
Antara berikut apakah bahan yang bertindak sebagai agen pengoksidaan?
Antara berikut apakah bahan yang bertindak sebagai agen pengoksidaan?
Anonymous Quiz
25%
Zn
21%
Zn²⁺
43%
Ag⁺
11%
Ag
Forwarded from indevonce
Magnesium secara semulajadi wujud dalam tiga isotop, iaitu 78.0% ²⁴Mg, 11.0% ²⁵Mg dan 10.0% ²⁶Mg. Apakah jisim atom relatif Magnesium?
Anonymous Quiz
13%
24.20
23%
24.17
52%
24.07
11%
24.55
Forwarded from indevonce
K₄[Fe(CN)₆].3H₂O
Apakah jisim relatif sebatian ini? [JAR : H=1, C=12, N=14, O=16, K=39, Fe =56]
Apakah jisim relatif sebatian ini? [JAR : H=1, C=12, N=14, O=16, K=39, Fe =56]
Anonymous Quiz
3%
141
17%
256
38%
389
41%
422