Metals & Non-Metals

Total Questions: 17

1 - Which of the following is non metallic mineral?

A ) Magnesium
B ) Bauxite
C ) Gypsum ✅
D ) Manganese

2 - Which mineral is used in making chips containing micro circuits for computer and other electronic equipment?

A ) Aluminium
B ) Copper
C ) Silicon ✅
D ) Chromium

3 - Which among the following is the best conductor of electricity?

A ) Silver ✅
B ) Copper
C ) Aluminium
D ) Steel

4 - Which one following is a metal?

A ) Limestone
B ) Gypsum
C ) Mercury ✅
D ) None of these

5 - Eating a reminder on electric heater is made up of------:
A ) Chromium
B ) Nichrome ✅
C ) Graphite
D ) Tungsten

6 - Which element is used in filament of an electric bulb?

A ) Copper
B ) Tungsten ✅
C ) Neon
D ) Aluminium

7 - Which metal is found in liquid state at temperature?

A ) Chromium
B ) Mercury ✅
C ) Aluminium
D ) Copper

8 - Which of the following is non metal that remains in liquid form at room temperature?

A ) Bromine ✅
B ) Phosphorus
C ) Chlorine
D ) Helium

9 - What is the hardest?

A ) Diamond ✅
B ) Iron
C ) Aluminium
D ) None of these

10 - Pure gold is carat gold ------:
A ) 12 carat
B ) 14 carat
C ) 16 carat
D ) 24 carat ✅

11 - Gold, silver and copper are what type of metals?

A ) Coinage ✅
B ) Natural
C ) Pure
D ) Hard

12 - What is the rarest metal?

A ) Platinum
B ) Rhodium ✅
C ) Osmium
D ) Iridium

13 - Which is the lightest metal?

A ) Aluminium
B ) Lithium ✅
C ) Sodium
D ) Magnesium

14 - Which is the heaviest metal?

A ) Osmium ✅
B ) Tungsten
C ) Gold
D ) Lead

15 - Which metal is the hardest?

A ) Tungsten ✅
B ) Iron
C ) Chromium
D ) None of these

16 - Which metal is the most ductile?

A ) Gold ✅
B ) Silver
C ) Copper
D ) Aluminium

17 - In which solvent is wax soluble?

A ) Benzene ✅
B ) Water
C ) Ethanol
D ) Acetone
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