Is sodium carbonate Na2CO3 and bicarbonate NaHCO3 one of the primary standard substances?

Is sodium carbonate Na2CO3 and bicarbonate NaHCO3 one of the primary standard substances?
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Chemical formula of washing soda is - (1) Na2SO4.10H2O (2) NaHCO3 (3) Na2CO3.10H2O (4) Ca(OH)2

Description : Chemical formula of washing soda is - (1) Na2SO4.10H2O (2) NaHCO3 (3) Na2CO3.10H2O (4) Ca(OH)2

Last Answer : (3) Na2CO3.10H2O Explanation: Washing Soda is essentially Sodium Carbonate, a sodium salt of carbonic acid (soluble in water). The molecular formula of washing soda is Na2CO3.10H2O. It is used as ... It reacts with the calcium and magnesium bonds present in the water, enabling the detergent to work.

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? (A) Na2CO3 (B) NaHCO3 (C) H2 (D) None of these

Description : Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? (A) Na2CO3 (B) NaHCO3 (C) H2 (D) None of these

Last Answer : (C) H2

Chemical formula of washing soda is (1) Na2 SO4 .10H2O (2) NaHCO3 (3) Na2CO3 .10H2O (4) Ca(OH)2

Description : Chemical formula of washing soda is (1) Na2 SO4 .10H2O (2) NaHCO3 (3) Na2CO3 .10H2O (4) Ca(OH)2

Last Answer : Na2CO3 .10H2O

What make H2CO3. Ans you can make H2CO3 by CO2 plus H2O H2CO3 if you want to make sodium hydrogen carbonate then you can make it like this Na plus H2CO3 NaHCO3?

Description : What make H2CO3. Ans you can make H2CO3 by CO2 plus H2O H2CO3 if you want to make sodium hydrogen carbonate then you can make it like this Na plus H2CO3 NaHCO3?

Last Answer : The correct chemical equation is:Na2CO3 + CO2 + H2O = 2 NaHCO3

Brine is an a) aqueous solution of sodium hydroxide b) aqueous solution of sodium carbonate c) aqueous solution of sodium chloride d) aqueous solution of sodium bicarbonate

Description : Brine is an a) aqueous solution of sodium hydroxide b) aqueous solution of sodium carbonate c) aqueous solution of sodium chloride d) aqueous solution of sodium bicarbonate

Last Answer : c) aqueous solution of sodium chloride

Another name for baking soda is : (1) Sodium bicarbonate (2) Sodium carbonate (3) Sodium sulphate (4) Sodium hydroxide

Description : Another name for baking soda is : (1) Sodium bicarbonate (2) Sodium carbonate (3) Sodium sulphate (4) Sodium hydroxide

Last Answer : (1) Sodium bicarbonate Explanation: Sodium bicarbonate (NaHCO2)is known as baking soda.

Washing soda is - (1) sodium sulphite (2) sodium bicarbonate (3) sodiun carbonate (4) sodium biosulphite

Description : Washing soda is - (1) sodium sulphite (2) sodium bicarbonate (3) sodiun carbonate (4) sodium biosulphite

Last Answer : (3) sodiun carbonate Explanation: Sodium carbonate (also known as washing soda, soda ash and soda crystals, and in the monohydrate form as crystal carbonate), Na2CO3, is the water-soluble sodium salt of carbonic acid.

What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

Description : What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

Last Answer : (1) Sodium Carbonate Explanation: When sodium bicarbonate is strongly heated, it decomposes into sodium carbonate, water vapor, and carbon dioxide. Solid sodium carbonate is a white powder and is used in ... name 'baking powder'; sodium bicarbonate is used in baking under the name 'baking soda'.

Glass is mainly composed of - (1) Sodium silicate (2) Calcium carbonate (3) Calcium hydroxide (4) Sodium bicarbonate

Description : Glass is mainly composed of - (1) Sodium silicate (2) Calcium carbonate (3) Calcium hydroxide (4) Sodium bicarbonate

Last Answer : (1) Sodium silicate Explanation: Glass is made from silica (SiO₂) and soda lime, which react to form sodium silicate.

The chemical name of baking soda is - (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium chloride (4) Sodium nitrate

Description : The chemical name of baking soda is - (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium chloride (4) Sodium nitrate

Last Answer : (2) Sodium bicarbonate Explanation: Sodium bicarbonate (NaHCO3) is also known as baking soda. It is a chemical leavening agent which is added to baked goods before cooking to produce carbon dioxide and cause them to 'rise'.

What is the chemical name for `Baking Soda'? (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium nitrite (4) Sodium nitrate

Description : What is the chemical name for `Baking Soda'? (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium nitrite (4) Sodium nitrate

Last Answer : (2) Sodium bicarbonate Explanation: Sodium bicarbonate or sodium hydrogen carbonate is the chemical compound with the formula NaHCO3. Sodium bicarbonate is a white solid that is crystalline but often ... It has a slightly salty, alkaline taste resembling that of washing soda (sodium carbonate).

What is "milk of magnesia" chemically? (1) Magnesium carbonate (2) Sodium bicarbonate (3) Calcium hydroxide (4) Magnesium hydroxide

Description : What is "milk of magnesia" chemically? (1) Magnesium carbonate (2) Sodium bicarbonate (3) Calcium hydroxide (4) Magnesium hydroxide

Last Answer : (4) Magnesium hydroxide Explanation: agnesium hydroxide is an inorganic compound with the chemical formula Mg(OH)2. As a suspension in water, it is often called milk of magnesia because of its milk-like appearance. The solid mineral form of magnesium hydroxide is known as brucite.

Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium(A) Carbonate(B) Phosphate(C) Bicarbonate(D) Silicate

Description : Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium (A) Carbonate (B) Phosphate (C) Bicarbonate (D) Silicate

Last Answer : (A) Carbonat

Ethers can be freed from peroxides by treatment with (a) Ferrous salt (b) Sodium carbonate (c) Ferric salt (d) Sodium bicarbonate

Description : Ethers can be freed from peroxides by treatment with (a) Ferrous salt (b) Sodium carbonate (c) Ferric salt (d) Sodium bicarbonate

Last Answer : Ferric salt

. Chemical name of soda ash is (A) Sodium bicarbonate (B) Sodium thiosulphate (C) Potassium carbonate (D) None of these

Description : . Chemical name of soda ash is (A) Sodium bicarbonate (B) Sodium thiosulphate (C) Potassium carbonate (D) None of these

Last Answer : (D) None of these

Washing soda is the common name for (1) Calcium carbonate (2) Calcium bicarbonate (3) Sodium carbonate (4) Sodium bicarbonate

Description : Washing soda is the common name for (1) Calcium carbonate (2) Calcium bicarbonate (3) Sodium carbonate (4) Sodium bicarbonate

Last Answer : (3) Sodium carbonate

What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

Description : What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

Last Answer : Sodium Carbonate

The chemical name of baking soda is (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium chloride (4) Sodium nitrate

Description : The chemical name of baking soda is (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium chloride (4) Sodium nitrate

Last Answer : Sodium bicarbonate

Baking soda is : (1) Potassium carbonate (2) Sodium hydroxide (3) Sodium carbonate (4) Sodium bicarbonate

Description : Baking soda is : (1) Potassium carbonate (2) Sodium hydroxide (3) Sodium carbonate (4) Sodium bicarbonate

Last Answer : Sodium bicarbonate

Dry powder fire extinguishers contain (1) sand (2) sand and sodium carbonate (3) sand and potassium carbonate (4) sand and sodium bicarbonate

Description : Dry powder fire extinguishers contain (1) sand (2) sand and sodium carbonate (3) sand and potassium carbonate (4) sand and sodium bicarbonate

Last Answer : sand and sodium bicarbonate

What is the chemical name for ‘Baking Soda’ ? (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium nitrite (4) Sodium nitrate

Description : What is the chemical name for ‘Baking Soda’ ? (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium nitrite (4) Sodium nitrate

Last Answer : Sodium bicarbonate

What is “milk of magnesia” chemically ? (1) Magnesium carbonate (2) Sodium bicarbonate (3) Calcium hydroxide (4) Magnesium hydroxide

Description : What is “milk of magnesia” chemically ? (1) Magnesium carbonate (2) Sodium bicarbonate (3) Calcium hydroxide (4) Magnesium hydroxide

Last Answer : Magnesium hydroxide

What is the chemical name for ‘baking soda’? (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium nitrite (4) Sodium nitrate

Description : What is the chemical name for ‘baking soda’? (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium nitrite (4) Sodium nitrate

Last Answer : Sodium bicarbonate

(4) sodium chloride contains hygroscopic impurities like magnesium chloride Explanation: Table salt is refined salt, which contains about 97 to 99 percent sodium chloride. It usually contains substances that make it freeflowing (anticaking agents) such as sodium aluminosilicate or magnesium carbonate. Because of Hygroscopic nature of salt it become wet in rainy season as the salt absorbs moisture from environment.

Description : (4) sodium chloride contains hygroscopic impurities like magnesium chloride Explanation: Table salt is refined salt, which contains about 97 to 99 percent sodium chloride. It usually contains substances that ... of salt it become wet in rainy season as the salt absorbs moisture from environment.

Last Answer : Which of the following could be used as fuel in propellant or rockets? (1) Liquid Hydrogen + Liquid Nitrogen (2) Liquid Oxygen + Liquid Argon (3) Liquid Nitrogen + Liquid Oxygen (4) Liquid Hydrogen + Liquid Oxygen

Which of the following substances would be the best choice to neutralize aqueous Sodium Hydroxide? w) sodium carbonate x) silicon dioxide y) aluminum oxide z) phosphorus pentoxide

Description : Which of the following substances would be the best choice to neutralize aqueous Sodium Hydroxide? w) sodium carbonate x) silicon dioxide y) aluminum oxide z) phosphorus pentoxide

Last Answer : ANSWER: Z -- PHOSPHORUS PENTOXIDE

How is Sodium Hydrogencarbonate (Baking Soda), NaHCO3 prepared ?

Description : How is Sodium Hydrogencarbonate (Baking Soda), NaHCO3 prepared ? 

Last Answer : Sodium hydrogencarbonate is known as baking soda because it decomposes on heating to generate bubbles of carbon dioxide (leaving holes in cakes or pastries and making them light and fluffy). ... white crystalline powder of sodium hydrogencarbonate, being less soluble, gets separated out.   

A 19 year-old female is referred following a visit to the dentist where marked erosion of her teeth was noted. She was entirely asymptomatic and her only medication was the oral contraceptive pill. On examination her blood pressure was 110/70 mmHg and her body mass index was 21.5 kg/m2 (18 - 25). Investigations sodium 135 mmol/l potassium 2.1 mmol/l bicarbonate 42 mmol/l urea 2.6 mol/L corrected calcium 2.08 mmol/ alkaline phosphatase 201 iu/l (50-110) What is the most likely diagnosis? 1) Bulimia nervosa 2) Conn's syndrome 3) Laxative abuse 4) Pregnancy 5) Primary hypoparathyroidism

Description : A 19 year-old female is referred following a visit to the dentist where marked erosion of her teeth was noted. She was entirely asymptomatic and her only medication was the oral contraceptive pill ... ) Bulimia nervosa 2) Conn's syndrome 3) Laxative abuse 4) Pregnancy 5) Primary hypoparathyroidism

Last Answer : Answers-5 This patient has tooth erosion associated with hypokalaemic metabolic alkalosis and hypocalcaemia. This suggests a diagnosis of hypoparathyroidism. Conn's is unlikely in this age group, is ... raised alkaline phosphatase would not be expected. Early pregnancy would not fit this picture.

State as to why: (a) A solution of Na2CO3 is alkaline? (b)alkali metals are prepared by electrolysis of their fused chlorides ? (c)sodium is found to be more useful than potassium ?

Description : State as to why: (a) A solution of Na2CO3 is alkaline? (b)alkali metals are prepared by electrolysis of their fused chlorides ? (c)sodium is found to be more useful than potassium ?

Last Answer : Ans. (a) It undergoes hydrolysis to produce a strong base NaOH . (b) When the aq. Solution of any alkali metal is subjected to electrolysis ,H2 instead of the alkali metal is produced at the ... of sugars and amino acids into the cells. Thus, sodium is found to be more useful than potassium.

What are the differences between carbonate and bicarbonate?

Description : What are the differences between carbonate and bicarbonate?

Last Answer : Carbonate is the CO₃²⁻ ion; bicarbonate is the HCO₃⁻ ion, also called the “hydrogen carbonate” ion. Thus sodium carbonate is Na₂CO₃ and sodium bicarbonate is NaHCO₃.

Which one of the following mixtures is homogeneous? (1) Starch and sugar (2) Methanol and water (3) Graphite and charcoal (4) Calcium carbonate and calcium bicarbonate

Description : Which one of the following mixtures is homogeneous? (1) Starch and sugar (2) Methanol and water (3) Graphite and charcoal (4) Calcium carbonate and calcium bicarbonate

Last Answer : (2) Methanol and water Explanation: A homogeneous mixture is a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.

Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate (A) Is prone to thermal decomposition (B) Has high water solubility and is unstable (C) Is soluble in ammonium chloride and potassium chloride solution (D) All (A), (B) and (C)

Description : Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate (A) Is prone to thermal decomposition (B) Has high water solubility and is unstable (C) Is soluble in ammonium chloride and potassium chloride solution (D) All (A), (B) and (C)

Last Answer : (C) Is soluble in ammonium chloride and potassium chloride solution

Water may contain (A) Bicarbonate alkalinity (B) Carbonate alkalinity (C) Hydroxide alkalinity (D) All the above

Description : Water may contain (A) Bicarbonate alkalinity (B) Carbonate alkalinity (C) Hydroxide alkalinity (D) All the above

Last Answer : (D) All the above

The Most common admixture used to accelerate the initial setting of concrete is a) Gypsum b) Calcium chloride* c) Calcium carbonate d) Calcium bicarbonate

Description : The Most common admixture used to accelerate the initial setting of concrete is a) Gypsum b) Calcium chloride* c) Calcium carbonate d) Calcium bicarbonate

Last Answer : b) Calcium chloride*

Quicklime is a) Calcium carbonate b) Calcium bicarbonate c) Calcium oxide* d) Calcium hydroxide

Description : Quicklime is a) Calcium carbonate b) Calcium bicarbonate c) Calcium oxide* d) Calcium hydroxide

Last Answer : c) Calcium oxide*

The pH of blood is about 7.4 when the ratio between (NaHCO3) and (H2CO3) is (A) 10 : 1 (B) 20 : 1 (C) 25 : 1 (D) 30 : 1

Description : The pH of blood is about 7.4 when the ratio between (NaHCO3) and (H2CO3) is (A) 10 : 1 (B) 20 : 1 (C) 25 : 1 (D) 30 : 1

Last Answer : Answer : B

In the genetic disorder of cystinuria, the patient excretes large quantities of cystine in their urine and its low solubility causes crystalline cystine to precipitate as stones in kidneys. The remedy involves ingesting Na HCO3. Reaction of this treatment is (A) NaHCO2 combines with cystine (B) NaHCO3 raises the pH above the isoelectric point of cystine (C) NaHCO3 prevents stone formation by hydrolysis of cystine to cysteine (D) None of these

Description : In the genetic disorder of cystinuria, the patient excretes large quantities of cystine in their urine and its low solubility causes crystalline cystine to precipitate as stones in kidneys. The remedy ... C) NaHCO3 prevents stone formation by hydrolysis of cystine to cysteine (D) None of these

Last Answer : Answer : C

The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

Description : The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

Last Answer : B

Inhibition of carbonic anhydrase results in (a) Abolition of NaHCO3 reabsorption in proximal tubule (b) Enhanced of NaHCO3 reabsorption in proximal tubule (c) Enhanced NAHCO3 secretion in distal tubule (d) None of the above

Description : Inhibition of carbonic anhydrase results in (a) Abolition of NaHCO3 reabsorption in proximal tubule (b) Enhanced of NaHCO3 reabsorption in proximal tubule (c) Enhanced NAHCO3 secretion in distal tubule (d) None of the above

Last Answer : Ans: A

Give the formula for baking soda. The formula for baking soda is NaHCO3.

Description : Give the formula for baking soda. The formula for baking soda is NaHCO3.

Last Answer : What is the name for magnesium per chlorate and what is its formula ?

Phenols can be easily distinguished from alcohols because (a) phenols are soluble in NaOH, but alcohols are not (b) alcohols are soluble in NaOH, but phenols are not (c) phenols are soluble in NaHCO3, but alcohols are not (d) alcohols are soluble in NaHCO3, but phenols are not

Description : Phenols can be easily distinguished from alcohols because (a) phenols are soluble in NaOH, but alcohols are not (b) alcohols are soluble in NaOH, but phenols are not (c) phenols are soluble in NaHCO3, but alcohols are not (d) alcohols are soluble in NaHCO3, but phenols are not

Last Answer : phenols are soluble in NaOH, but alcohols are not

Which of the following compounds on treatment with NaHCO3 will liberate CO2? (a) Acetic acid (b) Ethylamine (c) Acetone (d) Ethyl alcohol

Description : Which of the following compounds on treatment with NaHCO3 will liberate CO2? (a) Acetic acid (b) Ethylamine (c) Acetone (d) Ethyl alcohol

Last Answer : Acetic acid

The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

Description : The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

Last Answer : (B) 1 : 20

The substance most commonly used as a food preservative is (a) sodium bicarbonate (b) tartaric acid (c) acetic acid (d) benzoic acid

Description : The substance most commonly used as a food preservative is (a) sodium bicarbonate (b) tartaric acid (c) acetic acid (d) benzoic acid

Last Answer : Ans:(d)

Sodium bicarbonate is commonly called -Science-7

Description : Sodium bicarbonate is commonly called -Science-7

Last Answer : Baking soda is the answer

What is the chemical formula of sodium bicarbonate?

Description : What is the chemical formula of sodium bicarbonate?

Last Answer : The chemical formula for Sodium bicarbonate is NaHCO3. It is also known as baking soda or bicarbonate of soda. It has a white colour and crystalline structure.

Assertion` :-` Major part of `CO_(2)` is transported in the form of sodium bicarbonate. Reason `:-` 0.3 ml of `CO_(2)` is transported per 100ml of blo

Description : Assertion` :-` Major part of `CO_(2)` is transported in the form of sodium bicarbonate. Reason `:-` 0.3 ml of `CO_(2)` is transported per 100ml of blo

Last Answer : Assertion` :-` Major part of `CO_(2)` is transported in the form of sodium bicarbonate. Reason `: ... False. D. If both Assertion & Reason are false.

Sodium bicarbonate reacts with salicylic acid to form

Description : Sodium bicarbonate reacts with salicylic acid to form

Last Answer : Sodium bicarbonate reacts with salicylic acid to form A. `C_(6)H_(5)O Na` B. C. D.

Sodium bicarbonate reacts with salicylic acid to form

Description : Sodium bicarbonate reacts with salicylic acid to form

Last Answer : Sodium bicarbonate reacts with salicylic acid to form A. `C_(6)H_(5)O Na` B. C. D.

If you have three molecules of of sodium bicarbonate?

Description : If you have three molecules of of sodium bicarbonate?

Last Answer : Need answer

Can you mix sodium bicarbonate and magnesium chloride?

Description : Can you mix sodium bicarbonate and magnesium chloride?

Last Answer : Yes, it is possible.