Advertisements
Advertisements
प्रश्न
Name a non-metal which is liquid form at room temperature.
उत्तर
Bromine is liquid at room temperature.
APPEARS IN
संबंधित प्रश्न
Some properties are listed in the following Table. Distinguish between metals and non-metals on the basis of these properties
Properties | Metals | Non-metals |
1. Appearance | Lustrous | Dull |
2. Hardness | Hard | Soft |
3. Malleability | Can be beaten into thin sheets | Cannot be beaten into thin sheets |
4. Ductility | Can be drawn into wires | Cannot be drawn into wires |
5. Heat Conduction | Good conductors of heat | Poor conductors of heat |
6. Conduction of Electricity | Good conductors of electricity | Poor conductors of electricity |
Name one metal which is stored in kerosene oil.
Name two metals which react violently with cold water. Write any three observations you would make when such a metal is dropped into water.
State five uses of non-metals.
Name the metal which is used in making thermometers.
Name two physical properties of carbon in which it's behaviour is not as expected from it's classification as non-metal.
State any five physical properties of a metal.
Physical properties of a metal :
Name one metal which is a liquid at room temperature
Name a metal which can be cut with a knife :
What is an alloy?
What are metalloids: Give examples.
Name:
a non-malleable metal
Distinguish between metals and non metals on the basis of:
(i) ion formation, (ii) discharge of ions, (iii) nature of oxide formed, (iv) oxidizing and reducing property, (v) reaction with acids.
Name a non-metal which can form a positive ion.
A metallic oxide which cannot be reduced by normal reducing agents:
Fill in the Blank and Rewrite the Statements:
Elements showing properties of both metals and nonmetals are known as _________.
Explain the following:
Metals like calcium and magnesium are never found in their free state in nature.
Identify who I am!
Carbon allotropes- _______
The non-metal which conducts electric current is
Which of the following non-metals is a liquid?