The diagrams show the results of adding an excess of aqueous sodium hydroxide and aqueous ammonia to separate solutions of salt S.
Which metal ion is present in salt S?
IGCSE Coordinated Chemistry Workout 16
Quiz
•
Chemistry
•
9th - 10th Grade
•
Medium
Dave Gould
Used 12+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagrams show the results of adding an excess of aqueous sodium hydroxide and aqueous ammonia to separate solutions of salt S.
Which metal ion is present in salt S?
Cu2+
Fe2+
Fe3+
Zn2+
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An element X has a high melting point and its oxide is coloured. Which row is correct?
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Atom X has atomic number 2 and atomic mass 4, while atom Y has atomic number 10 and atomic mass 20.
Which properties do both elements have?
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Alloys are metals formed by dissolving one metal in another. Alloys are ……X…… .
……Y…… alloys conduct electricity.
Which words correctly complete the statements?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table gives some information about the reactivity of three different metals. What is the order of reactivity, most reactive to least, of the three metals?
X > Y > Z
X > Z > Y
Y > Z > X
Z > X > Y
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which three elements do most fertilisers contain?
Na, C, P
Na, P, K
K, C, N
K, P, N
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which process produces molecules with long chains?
combustion of hydrocarbons
cracking
fractional distillation of petroleum
polymerisation
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