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  2. Calcium oxide - Wikipedia

    en.wikipedia.org/wiki/Calcium_oxide

    Calcium oxide (formula: Ca O), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic , alkaline , crystalline solid at room temperature . The broadly used term lime connotes calcium-containing inorganic compounds , in which carbonates , oxides , and hydroxides of calcium, silicon , magnesium ...

  3. Calcium peroxide - Wikipedia

    en.wikipedia.org/wiki/Calcium_peroxide

    Calcium peroxide or calcium dioxide is the inorganic compound with the formula CaO 2. It is the peroxide (O 2 2− ) salt of Ca 2+ . Commercial samples can be yellowish, but the pure compound is white.

  4. Calcium gluconate - Wikipedia

    en.wikipedia.org/wiki/Calcium_gluconate

    Side effects when injected include slow heart rate, pain at the site of injection, and low blood pressure. [3] When taken by mouth side effects may include constipation and nausea. [1] Blood calcium levels should be measured when used and extra care should be taken in those with a history of kidney stones. [3]

  5. Concrete degradation - Wikipedia

    en.wikipedia.org/wiki/Concrete_degradation

    Rehydration of the calcium oxide on cooling of the structure causes expansion, which can cause damage to material which withstood fire without falling apart. Concrete in buildings that experienced a fire and were left standing for several years shows extensive degree of carbonatation from carbon dioxide which is reabsorbed.

  6. Calcium supplement - Wikipedia

    en.wikipedia.org/wiki/Calcium_supplement

    Common side effects include constipation and nausea. [1] When taken by mouth high blood calcium is uncommon. [1] Calcium supplements, unlike calcium from dietary sources, appear to increase the risk of kidney stones. [1] Adults generally require about a gram of calcium a day. [1] Calcium is particularly important for bones, muscles, and nerves. [1]

  7. Health effects of coal ash - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_coal_ash

    Coal ash obtained from the combustion of bituminous coal is constituted principally of aluminum oxide (Al2O3), calcium oxide (CaO) and silicon dioxide (SiO2). [3] In the composition of coal, there are many potentially hazardous substances that, if found at elevated concentration in inhaled particles, can cause major health problems in humans.

  8. Cialis Side Effects: What to Expect (& How to Avoid Them) - AOL

    www.aol.com/cialis-side-effects-expect-avoid...

    This side effect was most common in guys who took 10 to 20 milligrams of Cialis a day. Tadalafil Side Effects Long-Term There are no known long-term side effects of tadalafil.

  9. Soda lime - Wikipedia

    en.wikipedia.org/wiki/Soda_lime

    Soda lime canister used in anaesthetic machines to act as a carbon dioxide scrubber. Soda lime, a mixture of sodium hydroxide (NaOH) and calcium oxide (CaO), is used in granular form within recirculating breathing environments like general anesthesia and its breathing circuit, submarines, rebreathers, and hyperbaric chambers and underwater habitats.