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- 1. Multiple Choice
Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?
Has high melting point
Has low melting point
Conducts electricity in molten state
Occurs as solid
- 2. Multiple Choice
The electronic configurations of three ele¬ments X, Y and Z are X — 2, 8; Y — 2, 8, 7 and Z — 2, 8, 2. Which’of the following is correct?
X is a metal
Y is a metal
Z is a non-metal
Y is a non-metal and Z is a metal
- 3. Multiple Choice
Which one of the following metals do not react with cold as well as hot water?
Na
Ca
Mg
Fe
- 4. Multiple Choice
Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?
FeO
Fe2O3
Fe3O4
Fe2O3 and Fe3O4
- 5. Multiple Choice
Which of the following are not ionic compounds?
(i) KCl
(ii) HCl
(iii) CCl4
(iv) NaCl
(i) and (ii)
(ii) and (iii)
(iii) and (iv)
(i) and (iii)
- 6. Multiple Choice
Which one of the following four metals would be displaced from the solution of its salts by other three metals ?
Mg
Ag
Zn
Cu
- 7. Multiple Choice
Although metals form basic oxides, which of the following metals form an amphoteric oxide ?
Na
Ca
Al
Cu
- 8. Multiple Choice
Which of the following metals catch fire on reaction with air?
Magnesium
Manganese
Potassium
Calcium
- 9. Multiple Choice
Metals, except Al and Zn, react with oxygen to form _______ oxides.
acidic
neutral
amphoteric
basic
- 10. Multiple Choice
The property of metals by which it can be drawn into wires is
Malleability
Sonority
Lustrous
Ductility
- 11. Multiple Choice
The property of metals by which they can be beaten in to thin sheets is called
Sonority
Malleability
Ductility
None of the above
- 12. Multiple Choice
Non-metal used in purple colour solutions which is applied on wounds as an antiseptic
Iodine
Oxygen
Sulphur
Phosphorus
- 13. Multiple Choice
Hydrogen gas is not liberated when a metal reacts with HNO3. This is because
HNO3 is a
Weak oxidizing agent
Strong oxidizing agent
Weak reducing agent
Strong reducing agent
- 14. Multiple Choice
Observe the given information with respect to some elements and choose the correct name of the elements
Elements A B C D
Electrons K 2 2 2 2
L 8 8 6 8
M 1 8 0 4
N 0 1 0 0
A is Silicon, B is Sodium, C is Potassium
and D is Oxygen
A is Potassium, B is Oxygen, C is Sodium
and D is Silicon
A is Oxygen, B is Silicon, C is Potassium and
D is Sodium
A is Sodium, B is Potassium, C is Oxygen and D is Silicon
- 15. Multiple Choice
Metals react with acids to produce a gas
Carbon dioxide
Nitrogen
Hydrogen
Oxygen
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