Worksheets: Metals and Non Metals

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WORKSHEET – CHAPTER 3: METALS AND NON-METALS

SECTION A – MULTIPLE CHOICE QUESTIONS (20 MCQs)

Which of the following is a metal?
a) Sulphur
b) Coal
c) Iron
d) Phosphorus
Which physical property is generally shown by metals?
a) Brittle
b) Lustrous
c) Poor conductor
d) Low melting point
Which non-metal is a good conductor of electricity?
a) Carbon (graphite)
b) Sulphur
c) Phosphorus
d) Iodine
Metals generally form:
a) Positive ions
b) Negative ions
c) Neutral atoms
d) No ions
Which of the following reacts vigorously with cold water?
a) Magnesium
b) Iron
c) Aluminium
d) Sodium
Which gas is released when a metal reacts with an acid?
a) CO₂
b) N₂
c) H₂
d) O₂
Which metal is in liquid state at room temperature?
a) Sodium
b) Mercury
c) Aluminium
d) Lead
The property of metals that allows them to be drawn into wires is:
a) Malleability
b) Ductility
c) Sonority
d) Conductivity
Which of the following non-metals is essential for respiration?
a) Carbon
b) Phosphorus
c) Oxygen
d) Nitrogen
The oxide of a metal is generally:
a) Acidic
b) Basic
c) Neutral
d) Amphoteric
Aluminium reacts with oxygen to form:
a) Al₂O₃
b) AlO
c) AlO₂
d) Al₃O₂
Which metal does not react with cold or hot water but reacts with steam?
a) Sodium
b) Potassium
c) Aluminium
d) Iron
Which of the following is an amphoteric oxide?
a) MgO
b) ZnO
c) CO₂
d) Na₂O
Iron reacts with steam to form:
a) Fe₂O₃
b) Fe
c) Fe₃O₄
d) FeO
Which of the following is used for galvanisation?
a) Copper
b) Zinc
c) Silver
d) Aluminium
The process of heating an ore in presence of oxygen is called:
a) Roasting
b) Calcination
c) Smelting
d) Refining
Which metal is purified by electrolysis?
a) Iron
b) Copper
c) Zinc
d) Magnesium
Ionic compounds have:
a) Low melting point
b) High melting point
c) No melting point
d) Random melting point
Sodium chloride is an example of:
a) Metallic bond
b) Covalent bond
c) Ionic bond
d) Hydrogen bond
Which metal is the most reactive?
a) Silver
b) Gold
c) Potassium
d) Copper

SECTION B – ASSERTION & REASON (10 Questions)

A: Metals are good conductors of electricity.
R: They have free electrons.
A: Non-metals are generally brittle.
R: They do not have layers that slide over each other.
A: Sodium reacts vigorously with water.
R: Sodium is highly reactive.
A: Metallic oxides are generally basic.
R: They form hydroxides when dissolved in water.
A: Copper cannot displace zinc from zinc sulphate solution.
R: Zinc is more reactive than copper.
A: Ionic compounds conduct electricity in solution.
R: They contain free ions in molten or solution state.
A: Bronze is an alloy.
R: It is a mixture of copper and tin.
A: Carbon cannot reduce oxides of highly reactive metals like Na and K.
R: Sodium and potassium have higher affinity for oxygen.
A: Rusting of iron requires both air and moisture.
R: Oxygen alone cannot oxidise iron at normal conditions.
A: Aluminium oxide is amphoteric.
R: It reacts with both acids and bases.

SECTION C – ONE-WORD / VERY SHORT ANSWERS (10)

Name the hardest natural substance.
Write chemical formula of rust.
Define ductility.
Which gas is released when metals react with acids?
Name one metal stored in kerosene.
What is galvanisation?
Name the ore of aluminium.
Define corrosion.
Write the formula of quicklime.
What is aqua regia?

SECTION D – SHORT ANSWER QUESTIONS (8)

Explain any four physical properties of metals.
Why do ionic compounds have high melting points?
What happens when:
(a) Sodium reacts with water
(b) Zinc reacts with dilute HCl
Explain the reactivity series of metals.
Why is aluminium used for making aircraft bodies?
Explain rusting of iron and the conditions required for it.
Differentiate between roasting and calcination.
What are alloys? Write the composition of brass and steel.

SECTION E – LONG ANSWER QUESTIONS (5)

Explain the chemical properties of metals with suitable equations.
Describe the extraction of metals from their ores (steps: enrichment, roasting, reduction, refining).
What are ionic compounds? Explain their properties with examples.
Discuss corrosion. Explain rusting and methods to prevent it.
Explain amphoteric oxides with examples and relevant reactions.

📚 इस Chapter की Best Books:

✅ Oswaal Class 10 SST — Topper's Choice
✅ Together With SST — Best for Practice
✅ Oswaal Science Class 10 — Chapter Wise
✅ RD Sharma Maths — Most Popular