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- 1. Multiple Choice
Pliers used by electrician usually have a plastic cover on the handle.Why?
A) Plastic is a bad conductor of heat
B) Plastic is water resistant
C) Plastic is bad conductor of electricity
D) All of these
- 2. Multiple Choice
Steel spoons used for cooking becomes hot easily.They are often given handle of
A) Iron
B) Copper
C) Wood
D) Aluminium
- 3. Multiple Choice
Find the odd one out from the following.
A) Iron Nail
B) Utensils
C) Magnet
D) Glass beaker
- 4. Multiple Choice
Which of the following is correct for the term ' lustre '?
A) Hardness
B) Softness
C) Dull appearance
D) Shiny appearance
- 5. Multiple Choice
Which one of the following is insoluble in water?
oxygen
sugar
milk
sawdust
- 6. Multiple Choice
The process of gases and liquids spreading into surrounding is called -
conduction
condensation
diffusion
freezing
- 7. Multiple Choice
Which one of the following will not attract magnet?
Iron nail
Steel rod
Copper vessel
A coin made of nickel
- 8. Multiple Choice
Identify the bad conductor of electricity-
copper
iron
silver
pure water
- 9. Multiple Choice
Heating or cooling can change the property of material.
True
False
- 10. Multiple Choice
All gases are poor conductors of heat.
True
False
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