Advertisements
Advertisements
Question
Which type of elements, metals or non-metals, show the property of brittleness ?
Advertisements
Solution
Any element; metal or non-metal that is soft and cannot be hammered into thin sheets, shows brittleness.
APPEARS IN
RELATED QUESTIONS
Gases have definite volume but no definite shape.
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?
Fill in the following blanks with suitable words :
The elements which are sonorous are called ..........................
Classify the following into metals, non-metals and metalloids:
Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium
What are the three general classes of matter ? Give one example of each type.
Draw a flow-chart for the schematic representation of different types of matter.
In the following set of substances, one item does not belong to the set. Select this item and explain why it does not belong to the set :
Hydrogen, Oxygen, Steam, Chlorine
Classify the following into solutions, suspensions and colloids :
Soda-water, Milk, Brine, Blood, Ink, Smoke in air, Chalk water mixture, Milk of Magnesia, Shaving cream, Muddy river water.
Which of the following do not exhibit Tyndall effect ?
Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.
Which of the following are chemical changes and which physical ? Give reason.
- a glass bottle breaking
- coal burning in air
- making a cake
- wool being knitted into a sweater
How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this solution is cooled to 10°C ?
One of the following represents the solution of solid in a solid. This one is :
Name the source from which nitrogen and oxygen are obtained on a large scale.
How will you separate a mixture of iron filings and powdered carbon ?
The best way to recover sugar from an aqueous sugar solution is :
What's the solution?
We need to rub salt on a corncob, but only salt crystals are available.
Asmita went to buy an earthen pot. There she saw many things kept for sale.
How did she identify what she needed?
Which among the following ______ will get attracted to by magnet?
Liquids cannot be compressed and they have fixed volume.
