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Curriculum-aligned learning paths for students in Classes 6-12.

CBSE
Class 7
Science
Curiosity
The World of Metals and Non-metals
Question Bank

Question Bank - The World of M...

Practice Hub

Question Bank: The World of Metals and Non-metals

Structured practice

Question Bank - The World of Metals and Non-metals

Q1.

What is the property of a material that allows it to be beaten into thin sheets?

Single Answer MCQ
Q-00127632
View explanation
Q2.

Which of the following metals is known for its high malleability?

Single Answer MCQ
Q-00127633
View explanation
Q3.

Why is aluminium used for making foil?

Single Answer MCQ
Q-00127634
View explanation
Q4.

Which of the following materials is not malleable?

Single Answer MCQ
Q-00127635
View explanation
Q5.

When a metal is malleable, what does it indicate about its atomic structure?

Single Answer MCQ
Q-00127636
View explanation
Q6.

What happens to a brittle material when it is hammered?

Single Answer MCQ
Q-00127637
View explanation
Q7.

The property of metals that allows them to be drawn into wires is known as?

Single Answer MCQ
Q-00127638
View explanation
Q8.

Which of the following metals would you expect to be less malleable?

Single Answer MCQ
Q-00127639
View explanation
Q9.

If you want to create a thin sheet from a block of metal, which property is most important?

Single Answer MCQ
Q-00127640
View explanation
Q10.

What defines a material as not malleable?

Single Answer MCQ
Q-00127641
View explanation
Q11.

Which common household item demonstrates malleability?

Single Answer MCQ
Q-00127642
View explanation
Q12.

Why can't non-metals like sulfur be shaped into sheets?

Single Answer MCQ
Q-00127643
View explanation
Q13.

Which of the following best describes the relationship between malleability and ductility?

Single Answer MCQ
Q-00127644
View explanation
Q14.

If a material can be hammered into a flat shape and retains that shape, it is considered to be?

Single Answer MCQ
Q-00127645
View explanation
Q15.

Among the following, which metal is liquid at room temperature and cannot be considered malleable?

Single Answer MCQ
Q-00127646
View explanation
Q16.

What does malleability refer to in materials?

Single Answer MCQ
Q-00127661
View explanation
Q17.

Which of the following materials is known for its high malleability?

Single Answer MCQ
Q-00127662
View explanation
Q18.

Which of the following can be formed into thin sheets due to malleability?

Single Answer MCQ
Q-00127663
View explanation
Q19.

Why are metals usually more malleable than non-metals?

Single Answer MCQ
Q-00127664
View explanation
Q20.

Which process is typically used to test the malleability of metals?

Single Answer MCQ
Q-00127665
View explanation
Q21.

If a material breaks easily when hammered, what can be inferred about its malleability?

Single Answer MCQ
Q-00127666
View explanation
Q22.

Which of the following properties is NOT associated with malleable materials?

Single Answer MCQ
Q-00127667
View explanation
Q23.

Which of the following metal alloys is known for its excellent malleability?

Single Answer MCQ
Q-00127668
View explanation
Q24.

Which method would most likely increase the malleability of a metal?

Single Answer MCQ
Q-00127669
View explanation
Q25.

What happens to malleability as you increase the carbon content in steel?

Single Answer MCQ
Q-00127670
View explanation
Q26.

Which of the following influences a material's malleability the most?

Single Answer MCQ
Q-00127671
View explanation
Q27.

Which of these metals is known to be one of the least malleable?

Single Answer MCQ
Q-00127672
View explanation
Q28.

Why are gold and silver popular in jewelry making in relation to malleability?

Single Answer MCQ
Q-00127673
View explanation
Q29.

Which statement best describes a characteristic of malleable materials?

Single Answer MCQ
Q-00127674
View explanation
Q30.

What is the term used to describe the property of metals that allows them to produce a ringing sound?

Single Answer MCQ
Q-00127675
View explanation
Q31.

Which of the following materials is known for producing a dull sound when dropped?

Single Answer MCQ
Q-00127676
View explanation
Q32.

Why do metals like bells produce a better sound compared to wood?

Single Answer MCQ
Q-00127677
View explanation
Q33.

Which metal is commonly associated with the ringing sound of ghungroos?

Single Answer MCQ
Q-00127678
View explanation
Q34.

What sound is typically produced when a metal coin is dropped on a hard surface?

Single Answer MCQ
Q-00127679
View explanation
Q35.

Which of the following is a property of non-metals in relation to sound?

Single Answer MCQ
Q-00127680
View explanation
Q36.

If a metal object and a wooden object are dropped from the same height, what distinguishes their sounds?

Single Answer MCQ
Q-00127681
View explanation
Q37.

Which of the following metals is least likely to be sonorous?

Single Answer MCQ
Q-00127682
View explanation
Q38.

Which physical property primarily affects the sonority of a material?

Single Answer MCQ
Q-00127683
View explanation
Q39.

Which scenario best demonstrates the property of sonority?

Single Answer MCQ
Q-00127684
View explanation
Q40.

How can you distinguish between sonorous and non-sonorous materials during an experiment?

Single Answer MCQ
Q-00127685
View explanation
Q41.

Which musical instrument primarily relies on the sonority of metal?

Single Answer MCQ
Q-00127686
View explanation
Q42.

What type of sound is produced by non-metals when struck?

Single Answer MCQ
Q-00127687
View explanation
Q43.

In the context of sonority, what is a metal's ability to vibrate known as?

Single Answer MCQ
Q-00127688
View explanation
Q44.

Which factor does NOT influence a material's sonority?

Single Answer MCQ
Q-00127689
View explanation
Q45.

Why is sonority important in objects like school bells?

Single Answer MCQ
Q-00127690
View explanation
Q46.

What property allows metals to be drawn into wires?

Single Answer MCQ
Q-00127691
View explanation
Q47.

Which metal is known for being extremely ductile, allowing it to be drawn into long wires?

Single Answer MCQ
Q-00127692
View explanation
Q48.

Why cannot non-metals like coal or sulfur be drawn into wires?

Single Answer MCQ
Q-00127693
View explanation
Q49.

Which of the following applications is NOT commonly associated with ductile materials?

Single Answer MCQ
Q-00127694
View explanation
Q50.

What is the significance of ductility in engineering materials?

Single Answer MCQ
Q-00127695
View explanation
Q51.

Which of the following metals is typically used in electrical wiring due to its ductility?

Single Answer MCQ
Q-00127696
View explanation
Q52.

In which of these does ductility play a critical role?

Single Answer MCQ
Q-00127697
View explanation
Q53.

If a material shows high ductility, what would you expect it to do under stress?

Single Answer MCQ
Q-00127698
View explanation
Q54.

What happens to ductility as temperature increases in metals?

Single Answer MCQ
Q-00127699
View explanation
Q55.

Which type of wire is most commonly used in hanging light fixtures due to its ductility?

Single Answer MCQ
Q-00127700
View explanation
Q56.

An example of a ductile metal that is often used in making jewelry is:

Single Answer MCQ
Q-00127701
View explanation
Q57.

Which property differentiates ductile materials from those that are brittle?

Single Answer MCQ
Q-00127702
View explanation
Q58.

If a metal is used for making a suspension bridge, what must its ductility allow for?

Single Answer MCQ
Q-00127703
View explanation
Q59.

Which statement about ductility is true?

Single Answer MCQ
Q-00127704
View explanation
Q60.

Which of the following materials is a good conductor of electricity?

Single Answer MCQ
Q-00127705
View explanation
Q61.

Why does rubber protect electricians when they work with electricity?

Single Answer MCQ
Q-00127706
View explanation
Q62.

What happens when you connect a copper wire to a battery and a bulb?

Single Answer MCQ
Q-00127707
View explanation
Q63.

Which of the following materials would likely NOT make a light bulb glow when used in a circuit?

Single Answer MCQ
Q-00127708
View explanation
Q64.

Which property of metal makes it a good conductor of electricity?

Single Answer MCQ
Q-00127709
View explanation
Q65.

In a simple electric circuit, why is it important to use conductors?

Single Answer MCQ
Q-00127710
View explanation
Q66.

What is the main reason that metals like copper and aluminum are used in electrical wires?

Single Answer MCQ
Q-00127711
View explanation
Q67.

Which of these statements about conductors and insulators is incorrect?

Single Answer MCQ
Q-00127712
View explanation
Q68.

Which of the following is primarily used to insulate electrical wires?

Single Answer MCQ
Q-00127713
View explanation
Q69.

What effect does temperature have on conductors?

Single Answer MCQ
Q-00127714
View explanation
Q70.

What is the reason for using steel wires in high-tension electricity transmission?

Single Answer MCQ
Q-00127715
View explanation
Q71.

Why is it unsafe to use metallic objects to handle electrical appliances?

Single Answer MCQ
Q-00127716
View explanation
Q72.

What is a typical characteristic of a superconductor?

Single Answer MCQ
Q-00127717
View explanation
Q73.

Which material might be confusing for students regarding its conductivity due to its appearance?

Single Answer MCQ
Q-00127718
View explanation
Q74.

What role does surface area play in the conduction of electricity?

Single Answer MCQ
Q-00127719
View explanation
Q75.

What happens to iron when it comes into contact with both air and water?

Single Answer MCQ
Q-00127720
View explanation
Q76.

Which condition prevents the iron nail from rusting in the experiment?

Single Answer MCQ
Q-00127721
View explanation
Q77.

What property allows metals to conduct heat effectively?

Single Answer MCQ
Q-00127722
View explanation
Q78.

What is the main cause of rust formation on iron objects?

Single Answer MCQ
Q-00127723
View explanation
Q79.

Which of the following materials would be the best choice for making a cooking pot to ensure quick heating?

Single Answer MCQ
Q-00127724
View explanation
Q80.

In the experiment using bottle A, what is the purpose of adding silica gel?

Single Answer MCQ
Q-00127725
View explanation
Q81.

During an experiment, a metal spoon feels warmer than a wooden spoon after being in hot water. What does this demonstrate?

Single Answer MCQ
Q-00127726
View explanation
Q82.

Why do old iron nails require scrubbing before the experiment?

Single Answer MCQ
Q-00127727
View explanation
Q83.

If heat is applied to one end of a metal rod, how does heat transfer occur?

Single Answer MCQ
Q-00127728
View explanation
Q84.

What type of change occurs when iron rusts?

Single Answer MCQ
Q-00127729
View explanation
Q85.

Which of the following best describes why metals are commonly used for cooking utensils?

Single Answer MCQ
Q-00127730
View explanation
Q86.

If an iron nail is fully submerged in water but sealed with oil, what is the expected outcome?

Single Answer MCQ
Q-00127731
View explanation
Q87.

If a wooden chair is placed in a sunny spot, will it become hot? Why or why not?

Single Answer MCQ
Q-00127732
View explanation
Q88.

Which factor is NOT necessary for iron to rust?

Single Answer MCQ
Q-00127733
View explanation
Q89.

Which of the following is NOT a characteristic of materials that conduct heat well?

Single Answer MCQ
Q-00127734
View explanation
Q90.

In bottle C of the experiment, why does rust form after some days?

Single Answer MCQ
Q-00127735
View explanation
Q91.

In which of the following scenarios can conduction be observed?

Single Answer MCQ
Q-00127736
View explanation
Q92.

What is the appearance of rust on iron?

Single Answer MCQ
Q-00127737
View explanation
Q93.

Which of the following statements about thermal conductors is true?

Single Answer MCQ
Q-00127738
View explanation
Q94.

What effect does humidity have on rust formation?

Single Answer MCQ
Q-00127739
View explanation
Q95.

Which material among the following is known to be a good insulator?

Single Answer MCQ
Q-00127740
View explanation
Q96.

How does covering iron nails with oil affect their rusting?

Single Answer MCQ
Q-00127741
View explanation
Q97.

Why are metals often chosen over non-metals for cooking utensils?

Single Answer MCQ
Q-00127742
View explanation
Q98.

What would be the best method to preserve an iron object from rusting?

Single Answer MCQ
Q-00127743
View explanation
Q99.

Which material is the least effective for conducting heat?

Single Answer MCQ
Q-00127744
View explanation
Q100.

Why is silica gel used in various products to prevent rust in iron?

Single Answer MCQ
Q-00127745
View explanation
Q101.

If a metal fork and a plastic spoon are placed in hot soup, which one will feel hotter after a while?

Single Answer MCQ
Q-00127746
View explanation
Q102.

What would you observe in bottle A, if all conditions are met properly?

Single Answer MCQ
Q-00127747
View explanation
Q103.

What happens to conduction when an insulating layer is added to a metal pipe?

Single Answer MCQ
Q-00127748
View explanation
Q104.

What is the primary reason metals are often used in heat exchangers?

Single Answer MCQ
Q-00127749
View explanation
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