By tackling these Class 7 Science MCQ and The World of Metals and Non metals Class 7 Science Curiosity Chapter 4 MCQ Online Test with Answers, students will build a solid foundation in the topic.
Class 7 Science Chapter 4 The World of Metals and Non metals MCQ
The World of Metals and Non metals MCQ
Class 7 Science Chapter 4 MCQ Online Test
Question 1.
Which material cannot be beaten into sheets?
(a) Copper
(b) Iron
(c) Aluminium
(d) Sulfur
Answer:
(d) Sulfur
Question 2.
Which metal is found in liquid-state on room temperature?
(a) Gold
(b) Mercury
(c) Iron
(d) Copper
Answer:
(b) Mercury
Question 3.
What does sonority of metals show?
(a) Lustre
(b) Ringing sound
(c) Conductivity
(d) Ductility
Answer:
(b) Ringing sound
Question 4.
Which of the following metal is most malleable and ductile?
(a) Iron
(b) Gold
(c) Copper
(d) Aluminium
Answer:
(b) Gold
Question 5.
Which is a common property of metals?
(a) Being brittle
(b) Being insulator
(c) Producing ringing sound
(d) Light weight
Answer:
(c) Producing ringing sound
Question 6.
Which non-metal broken into small pieces on beating?
(a) Sulfur
(b) Copper
(c) Silver
(d) Gold
Answer:
(a) Sulfur
Question 7.
Which metal is used in making electric wire?
(a) Copper
(b) Sulfur
(c) Wood
(d) Coal
Answer:
(a) Copper
Question 8.
What is the capacity of metal which they can be drawn into wires is called?
(a) Malleability
(b) Ductility’
(c) Sonority
(d) Conductivity
Answer:
(b) Ductility’
Question 9.
With which material handle of utensils are made?
(a) With iron
(b) With wood
(c) With copper
(d) With silver
Answer:
(b) With wood
Question 10.
Which of the following is neither malleable nor brittle?
(a) Iron
(b) Coal
(c) Wood
(d) Copper
Answer:
(c) Wood
Question 11.
Which metal is mostly used in making jewellery?
(a) Gold
(b) Iron
(c) Copper
(d) Aluminium
Answer:
(a) Gold
Question 12.
Which material is poor conductor of metal?
(a) Copper
(b) Iron
(c) Wood
(d) Aluminium
Answer:
(c) Wood
Question 13.
Which property does not found in non-metals?
(a) Brittleness
(b) Poor conductivity
(c) Ringing sound
(d) Lightness
Answer:
(c) Ringing sound
Question 14.
Why metal utensils are useful in cooking food?
(a) Are cheap
(b) Are light weight
(c) Are good conductors of heat
(d) Are broken easily
Answer:
(c) Are good conductors of heat
Question 15.
Which of the following things is a non-metal?
(a) Aluminium
(b) Silver
(c) Sulfur
(d) Copper
Answer:
(c) Sulfur
The World of Metals and Non metals Class 7 Fill in the blanks
Question 1.
Metals are generally _____ and lustrous.
Answer:
solid
Question 2.
Non-metals are generally _____ and poor conductors.
Answer:
brittle
Question 3.
Good conductors of heat and electricity are generally _____
Answer:
metal
Question 4.
Gold and silver are most _____ and _____ metals.
Answer:
ductile, malleable
Question 5.
Mercury is metal found in _____ state in room temperature.
Answer:
liquid
Question 6.
Capacity to draw metals in wires is called _____
Answer:
ductility
Question 7.
Capacity to convert metals in sheets is called _____
Answer:
malleability
Question 8.
Metal things produce a ringing sound, when dropped on the floor is called _____
Answer:
sonority
Question 9.
Wood and rubber are _____ of heat and electricity
Answer:
poor conductors
Question 10.
Copper is used in making _____.
Answer:
electric wires
The World of Metals and Non metals Class 7 True or False
Question 1.
Sulfur can be drawn into wire. (True/False)
Answer:
False
Question 2.
Metals are mainly of basic nature. (True/False)
Answer:
True
Question 3.
To prevent iron from corrosion phosphorous layer is applied. (True/False)
Answer:
False
Question 4.
Chlorine is a non-metal used in water purification. (True/False)
Answer:
True
The World of Metals and Non metals Class 7 Match the following
Question 1.
| Column A (Properties of metal) | Column B (Explanation) |
| 1. Ductility | (a) Capacity to draw into wires |
| 2. Malleability | (b) Capacity to beaten into a thin sheet with hammer |
| 3. Conductivity | (c) Producing sound when played |
| 4. Sonority | (d) Conduction of heat and electricity |
Answer:
| Column A (Properties of metal) | Column B (Explanation) |
| 1. Ductility | (b) Capacity to beaten into a thin sheet with hammer |
| 2. Malleability | (a) Capacity to draw into wires |
| 3. Conductivity | (c) Producing sound when played |
| 4. Sonority | (d) Conduction of heat and electricity |
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