Salt X is decomposed by strong heating. The residue is brown when hot and yellow when cold.
What is X?
Garam X terurai apabila dipanaskan dengan kuat. Bakinya berwarna perang ketika panas dan kuning ketika sejuk .
Apakah X?
Chemistry F4 Chp 6.11
Quiz
•
Chemistry
•
10th Grade
•
Medium
Bercham edu2
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salt X is decomposed by strong heating. The residue is brown when hot and yellow when cold.
What is X?
Garam X terurai apabila dipanaskan dengan kuat. Bakinya berwarna perang ketika panas dan kuning ketika sejuk .
Apakah X?
Copper(II) nitrate
Kuprum (II) nitrat
Zinc carbonate
Zink karbonat
Zinc nitrate
Zink nitrat
Lead(II) nitrate
Plumbum(II) nitrat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apabila ammonia akueus,NH3 di ditambah sehingga berlebihan, mendakan biru terbentuk dan larut dalam berlebihan menghasilkan larutan biru. Berikut yang manakah ion yang mungkin hadir?
When ammonia aqueous, NH3 is added until excess, blue precipitate is formed and soluble in excess to formed blue solution. Which of the following ions could be present?
Cu2+
Pb2+
Fe2+
Fe3+
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Iron(II) sulphate
Ferum(II) sulfat
Lead(II) sulphate
Plumbum(II) sulfat
Iron(II) chloride
Ferum(II) klorida
Copper(II) carbonate
Kuprum(II) karbonat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaOH is added to an unknown solution. A brown precipitate forms. The formula of the ion is:
NaOH ditambahkan ke dalam larutan yang tidak diketahui. Mendakan perang terbentuk. Formula ion tersebut ialah:
Fe2+
Cu2+
Fe3+
Cl-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
State the colour of solution if we used KSCN solution to test the presence of Fe3+
Nyatakan warna larutan sekiranya digunakan larutan KSCN dan ion Fe3+ hadir dalam suatu larutan
Dark blue
Biru tua
Light blue
Biru pudar
Blood red colour
Warna merah darah
Brown solution
Larutan perang
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How to test the presence of ammonium ion, NH4+ ?
Bagaimana menguji kehadiran ion ammonium, NH4+ ?
Add Nessler reagent
Tambahkan reagen Nessler
Add potassium hexacyanoferrate (II), K4Fe(CN)6 solution
Tambahkan larutan kalium heksasianoferat(II) K4Fe(CN)6
Add potassium iodide, KI solution
Tambahkan larutan kalium iodida,KI
Add potassium tiocyanate solution
Tambahkan larutan kalium tiosianat, KSCN
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) Masukkan asid nitrik ke dalam tabung uji yang mengandungi larutan
Pour nitric acid into a test tube contain the solution
2) Masukkan larutan argentum nitrat
Pour the silver nitrate solution
3) Mendakan putih terbentuk terbentuk
White precipitate is formed
Apakah ion yang hadir dalam larutan?
What ion is present in the solution?
Cl -
SO4 2-
CO3 2-
NO3 -
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