Metals and Non-Metals MCQs Class 8 Science
Metals and Non-Metals – MCQs
Class: 8 | Subject: Science
Section 4: Materials – Metals and Non-Metals
Topic: Metals and Non-Metals
CBSE Board Examination Preparation
Section 4: Materials – Metals and Non-Metals
Topic: Metals and Non-Metals
CBSE Board Examination Preparation
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 8 Science examination standard.
1. Which of the following is a metal?
Answer: C. Iron
Iron is a typical metal showing properties like malleability, ductility, and conductivity.
2. Metals are generally:
Answer: C. Lustrous
Metals have a shiny surface called metallic lustre.
3. Which property allows metals to be beaten into sheets?
Answer: B. Malleability
Malleability is the property of metals to be hammered into thin sheets.
4. Non-metals are usually:
Answer: C
Non-metals generally do not conduct heat or electricity well.
5. Which non-metal is liquid at room temperature?
Answer: A. Bromine
Bromine is the only non-metal that exists in liquid form at room temperature.
6. Metals produce ______ sound when struck.
Answer: B. Shrill
This property is called sonority.
7. Graphite is a non-metal but conducts electricity because:
Answer: B
Graphite has delocalized electrons allowing conductivity.
8. Copper is used in wires due to:
Answer: B
Copper conducts electricity efficiently.
9. Non-metals are generally:
Answer: B
They break easily when hammered.
10. Aluminium foil shows:
Answer: B
Foil form proves metals can be beaten into sheets.
11. Metal + Oxygen forms:
Answer: B
Metal oxides are generally basic.
12. Rusting occurs in:
Answer: B
Iron reacts with oxygen and moisture.
13. Metals are good conductors of:
Answer: A
Free electrons enable conduction.
14. Diamond is:
Answer: B
It is a form of carbon.
15. Which metal is liquid?
Answer: A
Mercury is liquid at room temperature.
16. Metals react with acids to produce:
Answer: B
Hydrogen gas is released.
17. Non-metal oxide nature:
Answer: B
Example: CO₂ forms carbonic acid.
18. Metals are:
Answer: A
They lose electrons easily.
19. Alloy is:
Answer: B
Example: Brass (Cu + Zn).
20. Best conductor:
Answer: A
Silver has highest electrical conductivity.
