Home
My Puzzles
FAQ
Report bug
Collected Puzzles
User listed puzzles
Random Puzzle
Log In/Out

Hydrocarbons

1     2    
  3 4 5
6               7    
    8                
9 10                        
           
  11                            
         
  12           13  
        14
    15   16        
      17  
        18  
19            
  20          
  21                                  
             
  22                  
           
            23
24                              
          25          
     
  26             27          
     
28                        
 

Across
1.Impurity in petrol that contibutes to acid rain
6.Hydrocarbon with formula C7H16
8.Property describing how easily a liquid flows
9.Property describing how easily a liquid forms a gas
11.Product of incomplete alkane combustion
12.Hydrocarbon with formula C5H12
16.Product of alkane combustion
21.Reduces emissions of carbon monoxide and nitrogen oxide from a car
22.Hydrocarbon with formaul C4H10
24.Product of alkane combustion
25.Hydrocarbon with formula C6H14
26.Biofuel from sugar cane
27.Lack of this promotes incomplete combustion
28.Problem of particulates reflecting sunlight back into space
Down
2.Method of purifying crude oil
3.Hydrocarbon with formula C3H8
4.Hydrocarbon with formula C10H22
5.Simplest hydrocarbon - main component of natural gas
7.Fuel made from plant oil
10.Hydrocarbon with formula C8H18
13.Hydrocarbon with formula C2H6
14.A hydrocarbon that contains maxium number of hydrogens
15.Solid particles formed by incomplete combustion
17.Compound composed entirely of hydrogen and carbon atoms
18.Carbon Dioxide is one of these gases
19.Increasing carbon dioxide levels are believed to be causing this
20.Common description promoting environmental benefit of biofuels
23.Hydrocarbon with formula C9H20

Use the "Printable HTML" button to get a clean page, in either HTML or PDF, that you can use your browser's print button to print. This page won't have buttons or ads, just your puzzle. The PDF format allows the web site to know how large a printer page is, and the fonts are scaled to fill the page. The PDF takes awhile to generate. Don't panic!




Google
 
Web armoredpenguin.com

Copyright information Privacy information Contact us Blog