Metals and non metals Worksheet-3
Fill in the blanks:
Metals react with non-metals forming ______ compounds.
Non-metals react with non-metals forming ____ compounds.
Ionic bonds are formed by _____ of electrons.
Covalent bonds are formed by ______ of electrons.
_____ compounds have high melting and boiling point.
_______ compounds are soluble in water but insoluble in organic solvent.
____ compounds are crystalline solids.
Naphthelene is taken in a spatula and heated, it is observed that it melts easily. Napthelene is a _____ compound.
____ compounds are volatile.
NaCl(aq) _____ electricity where as PCl5(aq) _____ electricity.
Carbon disulphide (CS2) is a _____compound.
Na2S (Sodium sulphide) solution _____ electricity.
Ionic compounds have high melting points due to _____ between the ions.
Those minerals from which metals can be easily extracted are called _____.
The reduction of a metal oxide to form metal by using Aluminium powder as reducing agent is called _____
During electrolytic refining of metals cathode is made of _______.
During electrolytic refining of metals anode is made of _______.
Zinc carbonate is converted to Zinc oxide by ______.
Conduct, does not conduct.
Strong force of attraction/ ionic bond
Thin strip of pure metal.
Impure metal rod