Contents

LPG gas is a/an…………….
a) heterogeneous mixture 

b) compound
c) homogeneous mixture 

d) element

c

Explanation:Liquefied petroleum gas (LPG or LP gas) is a fuel gas which contains a flammable mixture of hydrocarbon gases, specifically propane and butane.


LPG gas is a homogeneous mixture of ……..
a) metal and non-metal    

b) hydrocarbons
c) non-metals                      

d) metals

b

Hydrocarbons are…………...compound.
a) metallic                                            

b) mixture
c) organic                                            

d) inorganic

c

Hydrocarbons are organic compound made up of carbon and ………..
a) oxygen                                             

b) hydrogen
c) iron                                    

d) all of these

b

Air is a mixture of …….
a) nitrogen and oxygen     
b) carbon dioxide and hydrogen
c) smoke and dust                              

d) all of these

d

The components of air can be separated by ……..method.
a) physical                           

b) chemical
c) biological                         

d) metallurgical

a