Physical Properties of Metals
Trending Questions
A wire of about 2 km can be drawn from a gram of gold. This is because of the property called ______.
Ductility
Malleability
Sonority
Conductivity.
- ductility
- malleability
- lusture
- sonority
If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to
Explain The Meaning Of Malleable And Ductile.
Which element is used in manufacturing cans, foils, kitchen utensils, pipes, and window frames?
Aluminium
Actinium
Silver
Gold
To prepare iron (II) sulphide by heating a mixture of iron filings and sulphur powder, we should use a
copper dish
watch glass
china dish
petri dish
Heavy metal salts are dissolved salts of Lead and Mercury metals. True or false?
True
False
Which of the following metals can’t be used to make utensils?
Aluminium
Lead
Copper
Silver
- Iodine
- Bromine
- Mercury
- Aluminium
Take the aluminum wire and clamp this wire on the stand and fix the pin into the free end of the wire using wax. Heat the wire with burner when it is clamped. After that we will find out?
Metal will melt on heating
Wax does not melt
Aluminum is good conductor of heat
Aluminum oxide will be formed
Is platinum stronger than Gold?
An element is sonorous and highly ductile. Under which category would you classify this element? What other characteristics do you expect the element to possess?
Which of the following metals is a bad conductor of heat?
- copper
- silver
- aluminium
- lead
Aluminium foil is used for wrapping food. What property of aluminium is used here?
Density
Malleability
Ductility
Strength
Which of the following minerals is the hardest?
Corundum
Halite
Tourmaline
Calcite
- oxygen
- sulphur
- carbon dioxide
- hydrogen
Which metal is used for making foils used in packing of food materials?
Copper
Platinum
Aluminium
Sodium
You can make a copper wire but not a coal wire. It is because:
Copper is ductile but coal is not.
Copper is sonorous but coal is not.
when coal is tried to turn into wire, it start burning.
Copper is malleable but coal is not.
Study the characteristics of substance X given below:
- High melting point
- Good conductor of electricity
- Malleable
Based on the above characteristics, what could X be?
Silicon
Sodium Chloride
Iron
Carbon
Why metals get heated faster?
Metals have a property which helps them to get beaten into thin sheets. This is because of the ability of the atoms to roll over each other into new positions without breaking the metallic bond. What is this property of metals known as?
Malleability
Hardness
Ductility
Toughness
Which of the following exhibit the physical property of sonority (being sonorous)?
Iron
Iodine
Mercury
Phosphorous
A substance is said to be sonorous if it _________.
produces a ringing sound when beaten
conducts water through metal pipes
conducts electricity
conducts heat
Metals have a property which helps them to be drawn into wires. What is this property of metals known as?
Malleability
Ductility
Hardness
Conductivity
- silver
- copper
- aluminium
- lead
32) Graphite is used in manufacture of crucibles , where a small quantity of metals can be melted. It is also used as electrodes. Which of the following property of graphite is not exploited in these two given applications.
highly resistance to chemicals
soft nature
high melting point
good electrical conductivity
Choose the correct statement for aluminum.
It can be drawn into wire.
It is a bad conductor of electricity.
It cannot be hammered into thin sheets.
It is an insulator.