Metals & Non-Metals

Total Questions: 17

1 - Which of the following is a non metallic mineral?

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

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

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

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

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

4 - Which one of the following is a metal?

A ) Gypsum
B ) Mercury ✅
C ) Limestone
D ) Granite

5 - Sitting element of an electric heater is madeup of----:
A ) Chromium
B ) Nichrome ✅
C ) Graphite
D ) Tungsten

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

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

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

A ) Iron
B ) Zinc
C ) Aluminium
D ) Mercury ✅

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

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

9 - Which 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 ) 22 carat
D ) 24 carat ✅

11 - Gold silver and copper are type of metal?

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

12 - What is the rarest metal?

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

13 - What is the lightest metal?

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

14 - Which is the heaviest metal?

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

15 - Which metal is the hardest?

A ) Iron
B ) Tungsten ✅
C ) Chorimum
D ) Titanium

16 - Which metal is the most ductile?

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

17 - In which solvent is wax soluble?

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