How does cement harden?
When cement is mixed with water it hardens. This is probably due to a complicated chemical reaction between the compounds in the cement and water. There are four main compounds in cement. These are believed to become crystals with the addition of water. When the crystals interlock, cement hardens.
Related posts:
When did dinosaurs die? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 ...
General Knowledge
When was the Jet' (Turbo) airline service inaugurated?
1st in the World
What is perpetual motion? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 1...
General Knowledge
What are the fine arts? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 ...
General Knowledge
Which is the coldest place on earth? Complete General Knowledge Question and Answer for Class 6, 7, ...
General Knowledge
What is a cyclone? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
GK Question "What Is The Reason That The Glaciers Still Exist?" general knowledge book English 2021 ...
General Knowledge
Who was the first 'AIDS' afflicted victim known to the medical science?
1st in the World
Are lizards poisonous? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 a...
General Knowledge
Why is the bald eagle called so? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9...
General Knowledge
What gods did the Babylonians worship? Complete General Knowledge Question and Answer for Class 6, 7...
General Knowledge
Who invented traffic signals? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 1...
General Knowledge
GK Question "What Do You Know About Atomic Energy?" general knowledge book English 2021 current affa...
General Knowledge
What makes silver tarnish? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, ...
General Knowledge
What kind of people were the Celts? Complete General Knowledge Question and Answer for Class 6, 7, 8...
General Knowledge
What makes Venus' atmosphere so cloudy? Complete General Knowledge Question and Answer for Class 6, ...
General Knowledge
Who was Confucius? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
What is amnesia? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 ...
General Knowledge
How many kinds of energy are available? Complete General Knowledge Question and Answer for Class 6, ...
General Knowledge
GK Question "First Of All, I When Were The Rockets Used?" general knowledge book English 2021 curren...
General Knowledge
