What are alloys ?

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3. Metals and Non-metals

easy

What are alloys ?

Option A

Option B

Option C

Option D

Solution

Alloys are homogeneous mixtures of two or more elements. The elements could be two metals, or a metal and a non-metal. An alloy is formed by first melting the metal and then dissolving the other elements in it. For example, steel is an alloy of iron and carbon.

Standard 10

Science

Explain the meanings of malleable and ductile

easy

Which metals do not corrode easily ?

easy

Define the following terms.

$(i)$ Mineral $(ii)$ Ore $(iii)$ Gangue

medium

Metallic oxides of zinc, magnesium and copper were heated with the following metals.

Metal Zinc Magnesium Copper

Zinc oxide – – –

Magnesium oxide – – –

Copper oxide – – –

In which cases will you find displacement reactions taking place ?

medium

You are given a hammer, a battery, a bulb, wires and a switch.

$(a)$ How could you use them to distinguish between samples of metals and non-metals ?

$(b)$ Assess the usefulness of these tests in distinguishing between metals and non-metals.

medium

Metal	Zinc	Magnesium	Copper
Zinc oxide	–	–	–
Magnesium oxide	–	–	–
Copper oxide	–	–	–

What are alloys ?

Solution

Similar Questions

Explain the meanings of malleable and ductile

Which metals do not corrode easily ?

Define the following terms. $(i)$ Mineral $(ii)$ Ore $(iii)$ Gangue

Metallic oxides of zinc, magnesium and copper were heated with the following metals. Metal Zinc Magnesium Copper Zinc oxide – – – Magnesium oxide – – – Copper oxide – – – In which cases will you find displacement reactions taking place ?

You are given a hammer, a battery, a bulb, wires and a switch. $(a)$ How could you use them to distinguish between samples of metals and non-metals ? $(b)$ Assess the usefulness of these tests in distinguishing between metals and non-metals.

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Define the following terms.

$(i)$ Mineral $(ii)$ Ore $(iii)$ Gangue

Metallic oxides of zinc, magnesium and copper were heated with the following metals.

Metal Zinc Magnesium Copper

Zinc oxide – – –

Magnesium oxide – – –

Copper oxide – – –

In which cases will you find displacement reactions taking place ?

You are given a hammer, a battery, a bulb, wires and a switch.

$(a)$ How could you use them to distinguish between samples of metals and non-metals ?

$(b)$ Assess the usefulness of these tests in distinguishing between metals and non-metals.