Take a very basic substance such as NaOH (sodium hydroxide), PH 1 or 2 and mix it with HCi(hydrochloric acid) PH 13 or 14 and the resultant reaction will yield; NaCl (sodium chloride or table salt) + H2O (water). The PH neutralize each other to around 7. Pure Chemistry!

1 and 2/3 laps = one mile.

No. In order for Black King to capture White King, it would have to get within one square of White King, but in order for to that happened, Black King  would have to place himself in check and that is against the rules of chess. So if that situation occurs, a stalemate would result and the … Read more

Football is a game of possesion. The continue to keep possesion of the football, a team is given 4 downs to make ten or more yards. These downs are denoted as First Down, Second Down, Third Down and Fourth Down. The team has to advance the the ball 10 or more yards in these 4 … Read more

Math problems are self checking; meaning that you can solve the problem, then plug in the answer to verify. So if you arrive at an answer and then cannot verify how you arrived at the answer, you cannot prove how you obtained it. You should be able to show step by step exactly the logic … Read more