Advertisements
Advertisements
प्रश्न
Differentiate metals and non-metals.
उत्तर
| Metals | Non-Metals |
| Metals are lustrous. They have a shiny | Non metals are non lustrous. They |
| surface | have non- shiny surface |
| Metals are generally hard | Non-metals are generally soft |
| Most metals are bendable | Non-metals are non bendable |
| Most metals can be bent, beaten into sheets and they can drawn into wires | Non-metals are non ductile |
| Most metals are good conductors of electricity | Non-metals are bad conductors of electricity |
| Most metals are good conductors of heat | Non-metals are bad conductors of heat |
| Most metals are making ringing sound when struck. Hence, they are used to make objects like bells | Non-metals does not make any sound when they struck |
| Ex. : Copper, Lead, Tin, Nickel | Ex. : Carbon, Iodine, Sulphur |
APPEARS IN
संबंधित प्रश्न
Choose the most appropriate answer
A solvent of Iodine is
State the number of atoms of CaCO3
Name: Three different forms of carbon
Give reason: Graphite is used to make a lead of the pencils.
Indicate whether the following statement is true or false:
Molecules combine to form atoms
Indicate whether the following statement is true or false:
Ozone is a triatomic molecule
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
Complete the statement with the correct words.
_______ are chemicals which are hydroxide (or oxides) of ______ eg. sodium hydroxide.
Complete the statement given below by filling in the blank with the correct word.
Element ______ has the symbol derived from its Latin name ‘Argentum’
The first letter of an element is always written in ______ letter.
