Advertisements
Advertisements
प्रश्न
Indicate whether the following statement is true or false:
Metals can be polished.
पर्याय
True
False
Advertisements
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Name: a non-metal which is lustrous
Give the symbols of: Carbon, calcium, copper, chlorine, cobalt, argon.
Give three differences between metals and non-metals.
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
Complete the statement with the correct words.
_______ are chemicals which are hydroxide (or oxides) of ______ eg. sodium hydroxide.
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
State true of false. If false, give the correct statement.
Two different elements may have similar atoms.
Matter is its simplest form is called ______.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal other than carbon that shows allotropy.
Give an account of elements known to us.
