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

Yr 9 Revision

NKC

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
 
       
     
   

Across
2.Formula for the gas formed when calcium carbonate is heated and breaks down
3.Describes boiling point of simple molecules
5.Formula for hydrochloric acid
7.This type of reaction is where a solid forms when two solutions are added.
10.description of structure of diatomic molecules
12.the breakdown of a solid into two or more substances when heated
15.name of metal that rusts
16.Formula for sodium hydroxide
17.positive sub-atomic particle
18.an atom that has lost or gained an electron
20.produced when calcium carbonate reacts with dilute hydrochloric acid
22.this turns cloudy when carbon dioxide is bubbled through it
24.Structure of silicon dioxide
Down
1.this forms when carbon dioxide reacts with lime water turning it cloudy
4.addition of oxygen to an element
6.chemical name for rust
8.the chemical name for limewater
9.Main gas in the air
11.negative sub-atomic particle
13.Explosive diatomic gas
14.produced when hydrogen peroxide decomposes in the presence of manganese dioxide catalyst
19.centre of an atom
21.This happens to a glowing splint when oxygen is present.
23.gas that contribute less than 1% of the air
25.Charge on a group 2 element
26.neutral sub-atomic particle
27.Formula for ammonia

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