yeah, it`s a bit like K-Mart.

 

http://www.woolworths.co.uk/

I want to purifye impure ca, so I have pure ca. I don't know how to make it any clearer.

 

I was making fun of your redundancy. There's no need to say that what you're going to purify is impure, or else you wouldn't be purifying it in the first place. You could have just said "purifying Ca."

 

Although, you don't even want to purify it, you want to extract it. That's partly why everyone was confused over what you wanted to do.

but what a weird idea trying to extract ca out of that mixture. ive never thought of extrakting sodium hydroxide from drain cleaner, - same difference

but what a weird idea trying to extract ca out of that mixture. ive never thought of extrakting sodium hydroxide from drain cleaner, - same difference

 

 

I have. You can buy 99% NaOH form the hardware store as lye drain cleaner.

 

Eats hairs and other organic "drain cloggers".

aww waterver u get my point (btw if its that pure u wouldnt be extracting it)