(a) What is the role of hydrochloric acid in our stomach ? -Science

1 Answer

Answer :

Hydrochloric acid: It makes the medium of gastric juice acidic so that the enzyme pepsin can digest the proteins properly and also kills any bacteria that might have entered the stomach with food.

Related questions

Description : If the stomach did not produce any hydrochloric acid, which enzyme will not function? (1) Ptyalin (2) Rennin (3) Pepsin (4) Lipase

Last Answer : (3) Pepsin Explanation: Hydrochloric acid converts pepsinogen into an enzyme called pepsin. When food enters the stomach, hydrochloric acid production increases and the pH may fall to as low as 1 or 2, a very acidic condition.

Description : Which of the following acids is synthesized in human stomach? (1) Sulphuric acid (2) Nitric acid (3) Hydrochloric acid (4) Phosphoric acid

Last Answer : (3) Hydrochloric acid Explanation: Hydrochloric acid is sythesised in human stomach.

Description : Which acid is present in the stomach of humans? (1) sulphuric acid (2) hydrochloric acid (3) nitric acid (4) citric acid

Last Answer : (2) hydrochloric acid Explanation: Hydrochloric acid is naturally produced by cells in our bodies to help digest food in the stomach.

Description : Hydrochloric acid is secreted by the cells lining the – (1) Oral cavity (2) Stomach (3) Ileum (4) Colon

Last Answer : (2) Stomach Explanation: The chief cells of the stomach secrete enzymes for protein breakdown (inactive pepsinogen and rennin). Hydrochloric acid activates pepsinogen into the enzyme pepsin, which then helps digestion by breaking the bonds linking amino acids, a process known as proteolysis.

Description : Consider the following and select the right option. (1) Stomach - Hydrochloric acid (2) Ant - formic acid (3) Both are right (4) Both are wrong

Last Answer : (3) Both are right Explanation: Hydrochloric acid is naturally found in the gastric juices of the stomach. It is secreted through the parietal cells of the stomach.

Description : The acid which is secreted by the glands in the stomach wall is – (1) sulphuric acid (2) hydrochloric acid (3) nitric acid (4) phosphoric acid

Last Answer : (2) hydrochloric acid Explanation: Gastric acid is a digestive fluid, formed in the stomach. It has a pH of 1.5 to 3.5 and is composed of hydrochloric acid (HCl) (around 0.5%, ... enzymes, and making ingested proteins unravel so that digestive enzymes can break down the long chains of amino acids.

Description : Hydrochloric acid is secreted by the cells lining the (1) Oral cavity (2) Stomach (3) Ileum (4) Colon

Last Answer : Stomach

Description : Which of the following acids is synthesized in human stomach ? (1) Sulphuric acid (2) Nitric acid (3) Hydrochloric acid (4) Phosphoric acid

Last Answer : Hydrochloric acid

Description : The acid which is secreted by the glands in the stomach wall is (1) sulphuric acid (2) hydrochloric acid (3) nitric acid (4) phosphoric acid

Last Answer : hydrochloric acid

Description : What is the role of the acid in our stomach ? -Biology

Last Answer : Role of acid in our stomach is : (i) To make acidic medium which is necessary for the activation of the enzyme pepsin. (ii) To kill bacteria which the food may contain.

Description : What is the role of the following in the extraction of amorphous silicon? a) Hydrochloric acid b) hydrofluoric acid

Last Answer : a) Hydrochloric acid is used to dissolve magnesium oxide b) Hydrofluoric acid is used to remove unreacted silica

Description : State the role of the following in human digestive system : (i) Digestive enzymes (ii) Hydrochloric acid (iii) Villi -Biology

Last Answer : (i) Digestive enzymes – Foods need to be broken into their small or simpler molecules so that they can be absorbed into the bloodstream. However, the physical breakdown of food is not enough. ... are richly supplied with blood vessel which help to absorb digested food in to the blood stream.

Description : Identify the products formed when 1 mL of dil. Hydrochloric acid is added to 1g of Sodium metal? -Science

Last Answer : When dilute HCl, which is an acid, added to sodium carbonate, a strong base, the neutralization reaction occurs by the formation of NaCl and the evolution of carbon dioxide gas by brisk effervescence.

Description : How will you test for the gas which is liberated when hydrochloric acid reacts with an active metal? -Science

Last Answer : Bring a burning matchstick near the gas. It burns with ‘pop’ sound showing that it is hydrogen gas.

Description : (a) What is the role of HCl in our stomach ? (b) What is emulsification of fats ? (c) Which protein digesting enzyme is present in pancreatic juice ? -Biology

Last Answer : (a)(i) It sterilises food by killing pathogens and other microbes. (ii) It has a pH of 2, which is perfect for entyaus such as pepsin to break down proteins as effectively as possible. ( ... as emulsification. (c) Trypsin is the enzyme secreted by the pancreas which aids in digestion of proteins.

Description : Do the acid in our stomach works slowly or quickly?

Last Answer : Need answer

Description : The acid present in lemons and oranges is (a) acetic acid (b) hydrochloric acid (c) citric acid (d) oxalic acid

Last Answer : Ans:(c)

Description : Vinegar is acidic in nature due to the presence of (a) vanillic acid (b) lactic acid (c) hydrochloric acid (d) acetic acid

Last Answer : Ans:(d)

Description : The term ‘Cynogenesis’ describes the release of (a) hydrogen cyanide (HCN) (b) hydrochloric acid (HCl) (c) hydrogen peroxide (H202) (d) hydrogen sulphide (H2S)

Last Answer : Ans:(a)

Description : When zinc reacts with hydrochloric acid, the gas evolved is (a) Oxygen (b) Hydrogen (c) Chlorine (d) None of these

Last Answer : Ans:(b)

Description : A single covalent bond (a) Is formed by the transfer of two electrons (b) Exists between hydrogen and chlorine in an aqueous solution, of hydrochloric acid (c) Is longer than a double bond (d) Does not require energy to disrupt it unlike an ionic bond

Last Answer : Ans:(c)

Description : The ratio of Hydrochloric acid and Nitric acid in Aquaregia?

Last Answer : 3:1

Description : Give reason: a) Magnesium reacts more vigorously with hydrochloric acid than zinc or copper. b) Iron takes more time to react with dilute hydrochloric acid than magnesium and zinc

Last Answer : a) Magnesium reacts more vigorously with hydrochloric acid than zinc or copper. The reactivity of magnesium is higher than that of zinc. Hence it reacts with hydrochloric acid more vigorously. b) ... acid than magnesium and zinc As iron has lowest reactivity when compare to magnesium and zinc.

Description : What happens when concentrated hydrochloric acid is poured into a test tube containing zinc granules?

Last Answer : Zinc reacts with concentrated hydrochloric acid vigorously forming and the chemicals spill out of the test tube.

Description : The colour observed when hydrochloric acid and Fehling’s solution is added to test sugar

Last Answer : is reddish.

Description : The chemical added to test the presence of sugar are hydrochloric acid and Fehling’s

Last Answer : solution.

Description : The mixture of concentrated hydrochloric acid and concentrated nitric acid is called

Last Answer : Aquaregia.

Description : 2 ml each of concentrated HCl, HNO3 and a mixture of concentrated hydrochloric acid and Concentrated nitric acid in the ratio of 3:1were taken in test tubes labelled as A, B and C, A small piece of metal was put in ... the metal dissolved in test tube C. The metal could be: A) Al B) Au C) Pt D) Cu

Last Answer : B) Au

Description : Which of the following acids is present in bee sting? a) Methanoic acid b) Citric acid c) Hydrochloric acid d) Tartaric acid

Last Answer : a) Methanoic acid

Description : Which of the following acid is also known as vinegar? (a) Dilute hydrochloric acid (b) Dilute sulphuric acid (c) Dilute acetic acid (d) Dilute tartaric acid

Last Answer : (c) Dilute acetic acid

Description : Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and ... (c). X- Sulphuric acid and Y- Hydrogen gas (d). X- Hydrochloric acid and Y- Hydrogen gas

Last Answer : (c). X- Sulphuric acid and Y- Hydrogen gas

Description : An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change? (a) Baking powder (b) Lime (c) Ammonium hydroxide solution (d) Hydrochloric acid

Last Answer : (d) Hydrochloric acid

Description : Which among the following changes are endothermic in nature (a) decomposition of ferrous sulphate (b) dissolution of ammonium chloride in water (c) both (a) and (b) (d) dilution of hydrochloric acid

Last Answer : (c) both (a) and (b)

Description : A student dropped few pieces of marble in dilute hydrochloric acid contained in a test tube. The evolved gas was then passed through lime water. What change would be observed in lime water? Write balanced chemical equation for both the change observed?

Last Answer : Answer. When dilute HCl is added to marble which is calcium carbonate, it forms calcium chloride, water and carbon dioxide. The chemical equation for the reaction is as follows: CaCO3 + 2HCl → CaCl2 + H2O ... reaction between lime water and carbon dioxide is as follows: Ca(OH)2 + CO2 → CaCO3 + H2O

Description : What is the color of zinc metal? What happens to its color when zinc reacts with the hydrochloric acid?

Last Answer : Answer. Silverfish gray. When zinc reacts with HCl, the resulting solution becomes colorless (white) and zinc turns into black colored zinc chloride.

Description : I have a question about hot dip galvanizing. Is there any effect on galvanized coating if flux (zinc ammonium chloride salt) mixed inside hydrochloric acid tank instead of the normal separate hydrochloric acid tank and flux tank?

Last Answer : They should be applied separately, the acid and flux are weakening each other mixed together like that. Although they perform two separate functions in the process, both functions are necessary and are being weakened by mixing the two chemicals. You may have problems with the plating flaking off.

Description : Is it safe to use a hydrochloric acid and water mixture to clean cooking cast-iron and if so, what ratio would be good?

Last Answer : Metals such as aluminum, cast iron, steel, copper, and titanium will suffer rapid attack from HCl at all concentrations and temperatures.

Description : Write balanced equation for the reaction between magnesium and hydrochloric acid. Name the product obtained, identify the type of reaction. -Chemistry

Last Answer : Answer. The product formed is magnesium chloride and hydrogen gas. It is a displacement reaction.

Description : Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry

Last Answer : i hope it helped you

Description : 10.(a) An ore on treatment with dilute hydrochloric acid produces brisk effervesces. What type of ore is this? What steps will be required to obtain metal from the enriched ore. , (b) ... in coin and colour of the solution ? Write balanced chemical equation of the reaction involved. -Chemistry

Last Answer : (a) Carbonate ore: (i) Calcination: Carbonate ore is heated in limited supply of air and oxide is obtained, e.g. (b) Copper, being more reactive than silver will displace silver from silver nitrate ... and there will be deposition of silver on copper coin. The colour of solution will turn to blue.

Description : what body tissue produces pepsin and hydrochloric acid -Biology

Last Answer : answer:

Description : what body tissue produces pepsin and hydrochloric acid -Biology

Last Answer : answer:

Description : what is the ratio of Hydrochloric Acid?

Last Answer : 1:3"regal water" or "Royal water") is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange (sometimes red) fuming liquid, so named by alchemists because it can dissolve the noble metals gold and platinum, though not all metals.

Description : Why are sulfuric acid ( H2SO4) and hydrochloric acid ( HCl) harmful to human body ?

Last Answer : They are strong acids. One of the properties of acid is decay. When these fall on the skin, it causes wounds. Therefore , these are deadly harmful to human body.

Description : What are the signals of hydrochloric acid ?

Last Answer : The signal of hydrochloric acid is HCl

Last Answer : The signal of hydrochloric acid is HCl

Last Answer : Chemical signal of hydrochloric acid HCl

Last Answer : hydrochloric Acid One Type Acid Whose Chemical Signal HCl . In fact This In the water Hydrogen Of chloride (HCl) Solution. This Acid Clear , transparent , extremely Intense Bad smell Done. This Extremely Corrosive , strong Minerals Acid Whose A lot Art Use There are .

Description : Just as hydrochloric acid is to pepsinogen, so is

Last Answer : Just as hydrochloric acid is to pepsinogen, so is A. haemoglobin to oxygen B. enterokinase to typsinogen C. bile juice to fat D. glucagon to glycogen

Description : Chlorine is prepared in the laboratory by treating manganese dioxide `(MnO_(2))` with aqueous hydrochloric acid according to the reaction, `4HCl_((aq)

Last Answer : Chlorine is prepared in the laboratory by treating manganese dioxide `(MnO_(2))` with aqueous hydrochloric acid according to ... g C. 8.4 g D. 3.65 g