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6mo ago

Farmers use protective gear when using calcium hydroxide because it is a caustic chemical that can cause skin and eye irritation. Protective gear such as gloves, goggles, and face masks help prevent direct contact with the chemical and minimize the risk of injury. It is important to follow safety precautions to protect against potential harm from exposure.

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How excess acidity can be treated using calcium hydroxide?

Excess acidity can be treated using calcium hydroxide, also known as slaked lime, by adding it to the acidic solution. The calcium hydroxide reacts with the hydrogen ions in the solution to form water and calcium ions, which reduces the acidity. This process is known as neutralization and helps to raise the pH of the solution.


How much calcium hydroxide is in a hair relaxer?

The amount of calcium hydroxide in a hair relaxer can vary depending on the brand and formulation. Typically, hair relaxers contain calcium hydroxide in the range of 5-15%. It is important to carefully follow the instructions provided by the manufacturer when using hair relaxers to avoid damaging your hair or scalp.


Why calcium is not used in the lab preparation of hydrogen?

Calcium is not used in the lab preparation of hydrogen because it reacts with water to form calcium hydroxide and hydrogen gas, making it an inefficient method for producing pure hydrogen. Other methods such as using metals like zinc or aluminum are preferred for lab preparation of hydrogen as they do not form unwanted byproducts.


How do you prepare 0.1 n alcoholic potassium hydroxide solution?

To prepare a 0.1 N alcoholic potassium hydroxide solution, you would mix potassium hydroxide pellets with a calculated amount of alcohol, such as ethanol, in a specific volume to achieve the desired concentration. It is important to handle potassium hydroxide with care due to its corrosive nature, and protective equipment should be worn during preparation. After mixing the components thoroughly, the solution should be standardized using a suitable acid to verify its concentration.


What is the word equation is used to neutarlizes sulfuric acid using lithium hydroxide?

The word equation for neutralizing sulfuric acid using lithium hydroxide is: sulfuric acid + lithium hydroxide -> lithium sulfate + water.

Related questions

How excess acidity can be treated using calcium hydroxide?

Excess acidity can be treated using calcium hydroxide, also known as slaked lime, by adding it to the acidic solution. The calcium hydroxide reacts with the hydrogen ions in the solution to form water and calcium ions, which reduces the acidity. This process is known as neutralization and helps to raise the pH of the solution.


What gas do we exhale that can be tested for using limewater?

Carbon Dioxide will change limewater (calcium hydroxide) into calcium carbonate. This shows as a white precipitation (milky).


How much calcium hydroxide is in a hair relaxer?

The amount of calcium hydroxide in a hair relaxer can vary depending on the brand and formulation. Typically, hair relaxers contain calcium hydroxide in the range of 5-15%. It is important to carefully follow the instructions provided by the manufacturer when using hair relaxers to avoid damaging your hair or scalp.


How does the limestone cycle work?

Starts off as Calcium Carbonate , when heated the calcium carbonate becomes Calcium Oxide + Carbon Dioxide, the Calcium Oxide then reacts with water to produce Calcium Hydroxide and then when more water is added then filtered it becomes Calcium Hydroxide Solution, C02 is then added to form Calcium Carbonate again [:


How amonia gas is prepared?

Laboratory preparation of ammonia or NH3 requires using ammonium chloride and calcium hydroxide. The reaction equation is 2NH4Cl plus CaOH2 gives the products 2NH3 plus CaCl2 plus 2H2O. The ammonium chloride and calcium hydroxide are heated for this reaction.


A mass of 21.5 grams of calcium hydroxide reacts with an excess of phosphoric acid What mass of calcium phosphate could be recovered from solution?

The balanced chemical equation for the reaction between calcium hydroxide and phosphoric acid is: 3Ca(OH)2 + 2H3PO4 -> Ca3(PO4)2 + 6H2O Using the mole ratio from the balanced equation, we find that 1 mole of calcium hydroxide reacts with 2/3 mole of calcium phosphate. First, calculate the number of moles of calcium hydroxide: 21.5g / 74.093g/mol = 0.290 moles Then, use the mole ratio to find the moles of calcium phosphate that can be produced: 0.290 moles * (1 mole Ca3(PO4)2 / 3 moles Ca(OH)2) = 0.097 moles Lastly, convert moles of calcium phosphate to grams: 0.097 moles * 310.176g/mol = 30 grams of calcium phosphate could be recovered.


How do you text for carbon dioxide?

To test for carbon dioxide, you can bubble the gas through limewater (calcium hydroxide solution). If carbon dioxide is present, it will cause the limewater to turn milky or cloudy due to the formation of calcium carbonate. Another method is using a pH indicator like bromothymol blue, which will change color in the presence of carbon dioxide.


Do self heating cans warm up their contents using an exothermic or endothermic reaction?

Self-heating cans warm up their contents using an exothermic reaction. This reaction typically involves mixing water with quicklime (calcium oxide), which generates heat as it reacts to form calcium hydroxide.


Does facial hair removal cream work?

It dissolves the hair using calcium hydroxide and sodium hydroxide (lye); this allows the hair to be easily scraped off.


Why calcium is not used in the lab preparation of hydrogen?

Calcium is not used in the lab preparation of hydrogen because it reacts with water to form calcium hydroxide and hydrogen gas, making it an inefficient method for producing pure hydrogen. Other methods such as using metals like zinc or aluminum are preferred for lab preparation of hydrogen as they do not form unwanted byproducts.


What is the different protective adaptation of the porcupine?

They protective by using their spiky quills


How is sodium metal prepared?

Using Downs process, by the electrolysis of molten sodium chloride. This is done in a Downs Cell in which the NaCl is mixed with calcium chloride to lower the melting point below 700 °C. As calcium is less electropositive than sodium, no calcium will be deposited at the cathode. This method is less expensive than the previous Castner process of electrolyzing sodium hydroxide.