Online Test of Chapter 3 Metals and Non-Metals Test 3 Science| Class 10th
1. The border line elements, which neither fit with metals nor with non-metals are known as
(a) Metalloids
(b) Isotopes
(c) Allotropes
(d) Alloys
2. A mineral is known as an ore of a metal if the metal
(a) can be produced from it.
(b) cannot be produced from it.
(c) is very costly.
(d) can be produced from it profitably.
3. Electrolytic reduction is used in the extraction of
(a) Highly electropositive elements.
(b) Highly electronegative elements.
(c) Noble metals.
(d) Transition metals.
4. Which metal among the following is present in human blood?
(a) Titanium
(b) Mercury
(c) Gold
(d) Iron
5. Which of the following pairs will give displacement reaction?
(a) NaCI solution and copper metal
(b) MgCl2 solution and aluminium metal
(c) FeS04 solution and silver metal
(d) AgNO3 solution and copper metal
6. Roasting is done generally in case of
(a) Carbonate ore
(b) sulphide ore
(c) oxide ore
(d) silicate ore
7. Food cans are coated with tin and not zinc because
(a) Zinc is costlier than tin.
(b) Zinc has higher melting point than tin.
(c) Zinc is more reactive than tin
(d) Zinc is less reactive than tin.
8. A substance which reacts with gangue to form a fusible material is called
(a) Slag.
(b) Flux
(c) Ore
(d) Catalyst
9. German silver is an alloy of
(a) Copper, nickel and silver
(b) Silver. copper and aluminium
(c) Zinc, copper and nickel
(d) Silver. zinc and copper
10. Thermite is a mixture of iron(III) oxide and
(a) Zinc powder
(b) Sodium
(c) Potassium
(d) Aluminium powder
Chapter 3 Metals and Non-Metals Quiz 3| Class 10th
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Question 1 of 10
1. Question
The border line elements, which neither fit with metals nor with non-metals are known as
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Question 2 of 10
2. Question
A mineral is known as an ore of a metal if the metal
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Question 3 of 10
3. Question
Electrolytic reduction is used in the extraction of
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Question 4 of 10
4. Question
Which metal among the following is present in human blood?
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Question 5 of 10
5. Question
Roasting is done generally in case of
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Question 6 of 10
6. Question
Food cans are coated with tin and not zinc because
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Question 7 of 10
7. Question
A substance which reacts with gangue to form a fusible material is called
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Question 8 of 10
8. Question
German silver is an alloy of
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Question 9 of 10
9. Question
Thermite is a mixture of iron(III) oxide and
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Question 10 of 10
10. Question
The impurities associated with ore used in metallurgy are called
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