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Do all commercial antacids contain magnesium hydroxide?
No, not all commercial antacids contain magnesium hydroxide. Antacids can contain different active ingredients such as calcium carbonate, aluminum hydroxide, or sodium bicarbonate in addition to magnesium hydroxide. It depends on the specific formulation and brand of the antacid.
Why sodium hydroxide solution contains sodium carbonate?
Sodium hydroxide solution may contain sodium carbonate due to the absorption of carbon dioxide from the atmosphere. Sodium hydroxide can react with carbon dioxide to form sodium carbonate over time, especially if the solution is exposed to air. This can result in a small amount of sodium carbonate being present in the solution.
Do all alkalis contain Hydrogen?
No, not all alkalis contain hydrogen. Alkalis are a class of compounds that are bases and typically contain hydroxide ions (OH-). Examples include sodium hydroxide (NaOH) and potassium hydroxide (KOH), which do not contain hydrogen on their own.
What is the difference between Carbonates and Hydroxides?
Carbonates are compounds that contain the carbonate ion (CO3^2-) and are formed by the reaction of carbon dioxide with a base. Hydroxides are compounds that contain the hydroxide ion (OH-) and are formed by the reaction of a metal with water. Carbonates are typically insoluble in water, while hydroxides are usually soluble.
Are dishwasher tablets an alkali?
Yes, dishwasher tablets typically contain alkaline compounds such as sodium carbonate or sodium hydroxide to help dissolve grease and food residues on dishes.
Why will salivary amylase start digesting the chips in a human mouth but not the chicken?
Salivary amylase is an enzyme that specifically breaks down starches into simpler sugars, which are abundant in carbohydrate-rich foods like chips. Chips, made primarily from potatoes, contain starch that amylase can effectively digest. In contrast, chicken is primarily composed of proteins and fats, which do not contain starch, so salivary amylase has no effect on it. Therefore, while chips will undergo some digestion in the mouth, chicken will not be affected by this enzyme.
Do all commercial antacids contain magnesium hydroxide?
No, not all commercial antacids contain magnesium hydroxide. Antacids can contain different active ingredients such as calcium carbonate, aluminum hydroxide, or sodium bicarbonate in addition to magnesium hydroxide. It depends on the specific formulation and brand of the antacid.
What does saliva contain that substances that speed up chemical reactions and break down large starch moloculessmaller molocules of sugar?
salivary amylase
What enzyme does saliva produce?
Saliva is produced by salivary glands, not an enzyme itself. However, saliva does contain the enzyme amylase, which helps in the breakdown of starches in food into simpler sugars like maltose and dextrin.
Secretions of salivary glands begin the digestion of?
carbohydratesstarch
Why sodium hydroxide solution contains sodium carbonate?
Sodium hydroxide solution may contain sodium carbonate due to the absorption of carbon dioxide from the atmosphere. Sodium hydroxide can react with carbon dioxide to form sodium carbonate over time, especially if the solution is exposed to air. This can result in a small amount of sodium carbonate being present in the solution.
Do all alkalis contain Hydrogen?
No, not all alkalis contain hydrogen. Alkalis are a class of compounds that are bases and typically contain hydroxide ions (OH-). Examples include sodium hydroxide (NaOH) and potassium hydroxide (KOH), which do not contain hydrogen on their own.
What is the first place where starch is digested?
digestion of starch starts when food enters the mouth. our mouth has saliva which contain enzyme called ptyalin (salivary amylase) which converts starch into peptones & peptides.
What are the ingredients in acid indigestion tablets?
Indigestion tablets contain three main ingredients, these are: sodium bicarbonate, calcium carbonate and light magnesium carbonate. These are called antacids.
Which part of the body contains enzymes that breaks down starch into simple sugar?
Saliva (salivary glands) and the pancreas both contain the enzyme (amylase) that breaks starches down into simple sugars.
Would amylase be active in the stomach?
Salivary amylase works well around pH 7 (inside the mouth), but inside the stomach are gastric juices which contain HCl. Since the HCl drops the pH of the solution significantly, it denatures the amylase so that it will no longer function as it normally would, breaking down starch and glycogen.
Compounds that have calcuim?
There are hundreds, perhaps even thousands of chemicals which contain calcium. A few of these are Calcium chloride, calcium suplhate, calcium hydroxide and calcium carbonate.
