What is copper hydroxide plus hydrochloric acid?

What is copper hydroxide plus hydrochloric acid?
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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

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

Calcium carbonate is most soluble in: w) 0.2 Molar Sodium carbonate x) 0.1 Molar Calcium chloride y) 0.1 Molar Sodium hydroxide z) 0.1 Molar Hydrochloric acid

Description : Calcium carbonate is most soluble in: w) 0.2 Molar Sodium carbonate x) 0.1 Molar Calcium chloride y) 0.1 Molar Sodium hydroxide z) 0.1 Molar Hydrochloric acid

Last Answer : ANSWER: Z -- 0.1 MOLAR HYDROCHLORIC ACID

Which of the following aqueous solutions would hav the lowest boiling point? Would it be a 1.0 molal solution of: w) Hydrochloric acid x) Sodium Hydroxide y) Acetic Acid, z) Magnesium Chloride

Description : Which of the following aqueous solutions would hav the lowest boiling point? Would it be a 1.0 molal solution of: w) Hydrochloric acid x) Sodium Hydroxide y) Acetic Acid, z) Magnesium Chloride

Last Answer : ANSWER: Y -- ACETIC ACID

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) Copper coin is kept immersed in silver nitrate solution for some time. What change will take place in coin and colour of the solution ? Write balanced chemical equation of the reaction involved. -Chemistry

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.

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

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.

In sewage treatment, its sedimentation is speeded up by commonly adding (A) Hydrochloric acid (B) Lime (C) Copper sulphate (D) Sodium sulphate

Description : In sewage treatment, its sedimentation is speeded up by commonly adding (A) Hydrochloric acid (B) Lime (C) Copper sulphate (D) Sodium sulphate

Last Answer : (B) Lime

________ does not react with dilute hydrochloric acid but reacts with sulphuric acid and does not liberate hydrogen gas. a) iron b)copper c)gold d)zinc

Description : ________ does not react with dilute hydrochloric acid but reacts with sulphuric acid and does not liberate hydrogen gas. a) iron b)copper c)gold d)zinc

Last Answer : b)copper

What is balance of phosphoric acid plus hydroxide?

Description : What is balance of phosphoric acid plus hydroxide?

Last Answer : The chemical reaction is:H3PO4 + 3 NaOH + Na3PO4 + 3 H2O

What does sulphuric acid plus barium hydroxide make?

Description : What does sulphuric acid plus barium hydroxide make?

Last Answer : acid plus air = nuclear power=weapon

What does sulphuric acid plus barium hydroxide make?

Description : What does sulphuric acid plus barium hydroxide make?

Last Answer : acid plus air = nuclear power=weapon

Write the molecular formulae of: 1. Copper oxide 2. Iron (III) chloride 3. Sodium hydroxide 4. Iron (II) sulphide 5. Lead (II) oxide 6. Hydrogen nitrate (nitric acid) 7. Hydrogen sulphate (sulphuric acid) 8. Calcium hydroxide 9. Magnesium carbonate 10.Ammonium carbonate

Description : Write the molecular formulae of: 1. Copper oxide 2. Iron (III) chloride 3. Sodium hydroxide 4. Iron (II) sulphide 5. Lead (II) oxide 6. Hydrogen nitrate (nitric ... Hydrogen sulphate (sulphuric acid) 8. Calcium hydroxide 9. Magnesium carbonate 10.Ammonium carbonate

Last Answer : 1. Copper oxide - CuO 2. Iron (III) chloride - FeCl3 3. Sodium hydroxide - NaOH 4. Iron (II) sulphide - FeS 5. Lead (II) oxide - PbO 6. Hydrogen nitrate (nitric acid) - HNO3 7. ... ) - H2SO4 8. Calcium hydroxide - Ca(OH)2 9. Magnesium carbonate - MgCO3 10.Ammonium carbonate - (NH4)2CO3

Which of the following substances would be the best choice to neutralize sulfuric acid? w) sodium hydroxide x) silicon dioxide y) copper metal z) phosphorus pentoxide

Description : Which of the following substances would be the best choice to neutralize sulfuric acid? w) sodium hydroxide x) silicon dioxide y) copper metal z) phosphorus pentoxide

Last Answer : ANSWER: W -- SODIUM HYDROXIDE

What kind of reaction is metal plus water ae metal hydroxide plus hydrogen?

Description : What kind of reaction is metal plus water ae metal hydroxide plus hydrogen?

Last Answer : Feel Free to Answer

What is the double replacement for ammonium chloride plus calcium hydroxide?

Description : What is the double replacement for ammonium chloride plus calcium hydroxide?

Last Answer : The chemical reaction is:2 NH4Cl + Ca(OH)2 = 2 NH4OH + CaCl2

What is the double replacement for ammonium chloride plus calcium hydroxide?

Description : What is the double replacement for ammonium chloride plus calcium hydroxide?

Last Answer : The chemical reaction is:2 NH4Cl + Ca(OH)2 = 2 NH4OH + CaCl2

What is the balanced reaction of copper 2 nitrate and potassium hydroxide?

Description : What is the balanced reaction of copper 2 nitrate and potassium hydroxide?

Last Answer : The chemical equation is:Cu(NO3)2 + 2 KOH = 2 KNO3 + Cu(OH)2(s)

What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.

Description : What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.

Last Answer : a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. After a few hours a coating of copper is seen on iron nail/plate. It is based on displacement reaction. ... on the inner walls of the test tube. Aldehyde group in glucose reduced silver nitrate to metallic silver.

Which of the following is the cheapest material of construction for the storage of sodium hydroxide upto a concentration of 75%? (A) Stainless steel (B) Plain carbon steel (C) Nickel (D) Copper

Description : Which of the following is the cheapest material of construction for the storage of sodium hydroxide upto a concentration of 75%? (A) Stainless steel (B) Plain carbon steel (C) Nickel (D) Copper

Last Answer : (B) Plain carbon steel

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?

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.

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

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.

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

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

Last 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.

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

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.

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

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.

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

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.

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

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

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

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.

what body tissue produces pepsin and hydrochloric acid -Biology

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

Last Answer : answer:

what body tissue produces pepsin and hydrochloric acid -Biology

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

Last Answer : answer:

what is the ratio of Hydrochloric Acid?

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.

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

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.

What are the signals of hydrochloric acid ?

Description : What are the signals of hydrochloric acid ?

Last Answer : The signal of hydrochloric acid is HCl

What are the chemical signals of hydrochloric acid ?

Last Answer : The signal of hydrochloric acid is HCl

What are the chemical signals of hydrochloric acid ?

Last Answer : Chemical signal of hydrochloric acid HCl

Hydrochloric Of acid Signal What ?

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 .

Just as hydrochloric acid is to pepsinogen, so is

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

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

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

Toluene is nitrated and the resulting product is reduct is reduced with tin and hydrochloric acid. The product so obtained is diazotised and then with

Description : Toluene is nitrated and the resulting product is reduct is reduced with tin and hydrochloric acid. The product so obtained is diazotised and then with

Last Answer : Toluene is nitrated and the resulting product is reduct is reduced with tin and hydrochloric acid ... D. mixture of o-and p-bromotoulenes

In the diazotisation of anline with sodium nitrite and hydrochloride acid, an excess of hydrochloric acid is used primarily to

Description : In the diazotisation of anline with sodium nitrite and hydrochloride acid, an excess of hydrochloric acid is used primarily to

Last Answer : In the diazotisation of anline with sodium nitrite and hydrochloride acid, an excess of ... nitrous acid D. neutralize the base liberated

Name the hormone which increases the secretion of pepsinogen and hydrochloric acid from gastric glands.

Description : Name the hormone which increases the secretion of pepsinogen and hydrochloric acid from gastric glands.

Last Answer : Name the hormone which increases the secretion of pepsinogen and hydrochloric acid from gastric glands.

Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The explanation for it is that :

Description : Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The explanation for it is that :

Last Answer : Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The ... gas to form a cloud of chlorine gas.

If 31.3 g of manganese(II) chloride 48.3 g of chlorine gas and 25.7 g of water react to produce manganese(IV) oxide and hydrochloric acid what is the limiting reactant and what mass of hydrochloric?

Description : If 31.3 g of manganese(II) chloride 48.3 g of chlorine gas and 25.7 g of water react to produce manganese(IV) oxide and hydrochloric acid what is the limiting reactant and what mass of hydrochloric?

Last Answer : Need answer

In hydrochloric acid HCI the hydrogen atom orients itself as far away as possible from each other because the arrangement?

Description : In hydrochloric acid HCI the hydrogen atom orients itself as far away as possible from each other because the arrangement?

Last Answer : Need answer

What is the reaction when solid manganese dioxide reacts with hydrochloric acid to produce manganese chloride liquid water and chlorine gas?

Description : What is the reaction when solid manganese dioxide reacts with hydrochloric acid to produce manganese chloride liquid water and chlorine gas?

Last Answer : The chemical reaction is:MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O

What happened when chlorine and hydrochloric acid combine to each other?

Description : What happened when chlorine and hydrochloric acid combine to each other?

Last Answer : when chlorine mix to Hydrochloric acid (HCI) it will produce ofproduct of Hydrogen gas and Zinc Chloride. During Chemical Reactionthe particles of two chemical subtances will collide to each otherand it will produce heat.

What element is in sulphuric acid hydrochloric acid nitric acid and ethanoic acid?

Description : What element is in sulphuric acid hydrochloric acid nitric acid and ethanoic acid?

Last Answer : Hydrogen

What is the substance that reacts with hydrochloric acid to produce chlorine gas?

Description : What is the substance that reacts with hydrochloric acid to produce chlorine gas?

Last Answer : This compound is the manganese dioxide, MnO2.

In terms of particles how and why the rate of reaction changes during the reaction of calcium carbonate with hydrochloric acid.?

Description : In terms of particles how and why the rate of reaction changes during the reaction of calcium carbonate with hydrochloric acid.?

Last Answer : The chemical reaction goes faster if calcium carbonate is powdered.

What is the resulting concentration (in molL) of aqueous hydrochloric acid if 500 mL of its gaseous form at 300 K and 100 kPa will be dissolved in 100 mL pure water Use 8.314 kPaL(Kmol)?

Description : What is the resulting concentration (in molL) of aqueous hydrochloric acid if 500 mL of its gaseous form at 300 K and 100 kPa will be dissolved in 100 mL pure water Use 8.314 kPaL(Kmol)?

Last Answer : Feel Free to Answer

Do nickel react with hydrochloric acid?

Description : Do nickel react with hydrochloric acid?

Last Answer : Feel Free to Answer

What colour does universal indicator turn in dilute hydrochloric acid?

Description : What colour does universal indicator turn in dilute hydrochloric acid?

Last Answer : What is the answer ?