Chemistry- Muhammed Aaqil.
Reactivity in Chemistry Quiz
Test your knowledge of metal reactivity and chemical properties with this engaging chemistry quiz! Designed for both students and enthusiasts, this quiz features multiple-choice questions that challenge your understanding of essential chemistry concepts.
What you can expect:
- In-depth questions about metals and their reactions
- Practical scenarios involving displacement reactions
- Questions on the periodic table and atomic structure
Which of the two metals is more reactive: copper or silver ?
Copper
Silver
Why are metals called electropositive elements?
Because they can form positive ions by losing electrons
Because they can form negative ions by gaining electrons
Because they are good conductors of electricity
All of the above
What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes?
Iron nails become reddish-brown in colour and the blue colour of copper sulphate solution turns into light green
Iron nails become black in colour and the blue colour of copper sulphate solution turns into light green
Iron nails become light green in colour and the blue colour of copper sulphate solution turns into reddish-brown
Iron nails become blue in colour and the blue colour of copper sulphate solution turns into blue
A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?
A layer of silver metal will be deposited on the copper coin and the colour of solution will turn blue
A layer of silver metal will be deposited on the copper coin and the colour of solution will turn green
A layer of iron metal will be deposited on the copper coin and the colour of solution will turn green
No reaction takes place
Which of the following metals cannot displace hydrogen from dilute acids?
Copper
Sodium
Zinc
Lead
Which of the following is a non-metal but has been placed in the reactivity series of metals?
Hydrogen
Sodium
Potassium
None of the above
A metal less reactive and another metal more reactive than hydrogen are:
Aluminium and lead
Iron and magnesium
Copper and zinc
Copper and mercury
Which one of the following four metals would be displaced from the solution of its salt by other three metals?
Zn (zinc)
Ag (silver)
Cu (copper)
Mg (magnesium)
Which of the following pair of reactants can undergo a displacement reactions under appropriate conditions:
MgSO4+Fe
MgSO4+Pb
CuSO4 +Fe
ZnSO4 +Fe
The atomic numbers of four elements A, B, C and D are 6, 8, 10 and 12 respectively. The two elements which can react to form ionic bonds (or ionic compound) are:
A and D
B and C
A and C
B and D
The noble gas having only two electrons in its valence shell is:
Ar (Argon)
Ne (Neon)
He (Helium)
Kr (Krypton)
The electrons present in the valence shell of a noble gas atom can be :
8 only
2 only
8 or 2
8 or 4
The atomic number of an element is 19. The number of electrons in its ion X+ will be :
18
19
20
21
The number of protons in one atom of an element X is 8. What will be the number of electrons in its ion X2- ?
8
9
10
11
The electronic configurations of three elements X, Y and Z are:
X : 2 Y : 2, 8, 7 Z : 2, 8, 2
Which of the following is correct regarding these elements?
X is a metal
Y is a metal
Z is a non-metal
Y is a non-metal and z is a metal
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