Limestone is mostly made up of the mineral calcium carbonate (CaCO3).This is not very soluble,so rocks don't dissolve very quickly.But if you add an acid,you add hydrogen ions (H+),which will react ...

WHEN an acid phosphate is applied to a soil containing calcium carbonate or mixed with liming material a reaction will occur leading to the formation of more basic phosphates such as dicalcium ...

Orfila, the great lecturer on poisons, supposed that the phosphoric ... of carbonic acid is removed in combination with the added lime, converting the whole into the proto-carbonate of lime ...

It may safely, however, be dried over phosphoric ... acid reacts in a most energetic and interesting manner with sul- phureted hydrogen gas. Even in the dry state at the ordinary temperature the ...

With more and more travelers taking to social media to share "seat squatter" stories, one passenger asks if it has become too mainstream. Posted on Reddit in the "r/travel" forum, one flyer ...

Ruben Amorim was delighted with the fight and competitiveness his Manchester United players demonstrated to get the better of Arsenal and advance in the Emirates FA Cup. The resilient Reds reached ...

Quick reactions and selfie stickers have been added to make responding and creating stickers easier. The first update comes to the camera effects feature, which is now expanding the tools ...

Here is some reaction to the deal. "I can announce a ceasefire and a hostage deal has been reached between Israel and Hamas," Biden said at the White House. "Fighting in Gaza will stop ...

Manchester United simply tweeted the word "justice" after they saw off Arsenal on penalties in the FA Cup. The holders were handed a tough third round tie as they headed to the Emirates, but ...

A zero calcium score with high cholesterol may mean a person is at a lower risk of coronary heart disease. It means imaging does not show a buildup of calcified plaque in the heart’s blood vessels.