What is sodium oxide combines with water to make sodium hydroxide?

What is sodium oxide combines with water to make sodium hydroxide?
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The chemical reaction is:Na2O = H2O = 2 NaOH
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What product is formed when electricity is passed throughan aqueous solution of sodium chloride? (1) Sodium and water (2) Sodium oxide (3) Sodium and chlorine (4) Sodium hydroxide

Description : What product is formed when electricity is passed throughan aqueous solution of sodium chloride? (1) Sodium and water (2) Sodium oxide (3) Sodium and chlorine (4) Sodium hydroxide

Last Answer : (4) Sodium hydroxide Explanation: When electricity is passed through an aqueous solution of sodium chloride, it gives hydrogen, chlorine and sodium hydroxide as a product.

Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → Magnesium oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

Description : Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → ... oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

Last Answer : (a) Iron + Chlorine → Iron (III) chloride 4Fe + 3Cl2 → 2F2Cl3 (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water 2Mg + 2H2SO4 → 2MgSO4 + 2H2 (c) Magnesium + oxygen → Magnesium oxide 2Mg ... hydroxide CaO + H2O → Ca(OH)2 (e) Sodium + chlorine → Sodium chloride 2Na + Cl2 → 2NaCl

What is formed when zinc reacts with sodium hydroxide? (a) Zinc hydroxide and sodium (b) Sodium zincate and hydrogen gas (c) Sodium zinc-oxide and hydrogen gas (d) Sodium zincate and water

Description : What is formed when zinc reacts with sodium hydroxide? (a) Zinc hydroxide and sodium (b) Sodium zincate and hydrogen gas (c) Sodium zinc-oxide and hydrogen gas (d) Sodium zincate and water

Last Answer : (b) Sodium zincate and hydrogen gas

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 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

1.5 mol of `O_(2)` combines with Mg to form oxide MgO. The mass of Mg (at. Mass 24) that has combined is

Description : 1.5 mol of `O_(2)` combines with Mg to form oxide MgO. The mass of Mg (at. Mass 24) that has combined is

Last Answer : 1.5 mol of `O_(2)` combines with Mg to form oxide MgO. The mass of Mg (at. Mass 24) that has combined is A. 72 g B. 36 g C. 24 g D. 94 g

Corrosion in boilers can be prevented by (A) Deaeration of feed water (B) Enhancing pH of feed water by adding alkali (C) Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion (D) All (A), (B) and (C)

Description : Corrosion in boilers can be prevented by (A) Deaeration of feed water (B) Enhancing pH of feed water by adding alkali (C) Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

The electrolyte used in a nickel-cadmium battery is distilled water and ______________. A. diluted sulfuric acid B. potassium hydroxide C. lead sulfate D. zinc oxide

Description : The electrolyte used in a nickel-cadmium battery is distilled water and ______________. A. diluted sulfuric acid B. potassium hydroxide C. lead sulfate D. zinc oxide

Last Answer : Answer: B

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.

A crystallized substance containing water of crystallization is most appropriately termed: w) a hydrate x) an oxide y) a hydroxide z) a condensation crystal

Description : A crystallized substance containing water of crystallization is most appropriately termed: w) a hydrate x) an oxide y) a hydroxide z) a condensation crystal

Last Answer : ANSWER: W -- A HYDRATE

The plates of a NiCad storage battery are made of ________. A. potassium hydroxide with a small amount of sulfuric acid B. lead and lead peroxide C. silver oxide and lead sulfate D. combinations of nickel powder and nickel & cadmium salts

Description : The plates of a NiCad storage battery are made of ________. A. potassium hydroxide with a small amount of sulfuric acid B. lead and lead peroxide C. silver oxide and lead sulfate D. combinations of nickel powder and nickel & cadmium salts

Last Answer : Answer: D

Pick up the correct statement from the following: (A) Slaked lime contains calcium hydroxide (B) Quick lime contains calcium oxide (C) Slaked lime may be obtained from quick lime (D) All the above

Description : Pick up the correct statement from the following: (A) Slaked lime contains calcium hydroxide (B) Quick lime contains calcium oxide (C) Slaked lime may be obtained from quick lime (D) All the above

Last Answer : Answer: Option D

Quick lime is (A) Calcium carbonate (B) Calcium oxide (C) Calcium hydroxide (D) None of the above

Description : Quick lime is (A) Calcium carbonate (B) Calcium oxide (C) Calcium hydroxide (D) None of the above

Last Answer : Answer: Option B

How would you treat hyperaemia (hyperaemic tooth):** A. Zinc Oxide and eugenol cement B. Calcium hydroxide C. Corticosteroid paste

Description : How would you treat hyperaemia (hyperaemic tooth):** A. Zinc Oxide and eugenol cement B. Calcium hydroxide C. Corticosteroid paste

Last Answer : A. Zinc Oxide and eugenol cement

A 10 years-old boy presents with a non-vital, non-mobile tooth. Treatment is: A. Pulpectomy with calcium hydroxide B. Pulpectomy with Zinc oxide eugenol C. Pulpotomy with formocresol D. No treatment is required if tooth is asymptomatic

Description : A 10 years-old boy presents with a non-vital, non-mobile tooth. Treatment is: A. Pulpectomy with calcium hydroxide B. Pulpectomy with Zinc oxide eugenol C. Pulpotomy with formocresol D. No treatment is required if tooth is asymptomatic

Last Answer : A. Pulpectomy with calcium hydroxide

Caries which is close to the pulp chamber; on x rays you find ‘dens in dente’; the right treatment is: A. Zinc oxide eugenol cement and amalgam B. Pulpectomy C. Pulpotomy D. Calcium hydroxide on pulp and amalgam

Description : Caries which is close to the pulp chamber; on x rays you find ‘dens in dente’; the right treatment is: A. Zinc oxide eugenol cement and amalgam B. Pulpectomy C. Pulpotomy D. Calcium hydroxide on pulp and amalgam

Last Answer : B. Pulpectomy

The obturating material of choice for primary teeth following complete pulpectomy is, A. Zn phosphate cement and formcresol combination paste B. Quick setting hydroxide cement C. Zinc oxide and eugenol cement D. Gutta-percha E. Polycarboxylate cement

Description : The obturating material of choice for primary teeth following complete pulpectomy is, A. Zn phosphate cement and formcresol combination paste B. Quick setting hydroxide cement C. Zinc oxide and eugenol cement D. Gutta-percha E. Polycarboxylate cement

Last Answer : C. Zinc oxide and eugenol cement

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*

Sodium hydroxide Used to make?

Description : Sodium hydroxide Used to make?

Last Answer : washing soap

Write the balanced equation for the following chemical reactions. (i) Hydrogen + Chlorine → Hydrogen chloride (ii) Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride (iii) Sodium + Water → Sodium hydroxide + Hydrogen -Chemistry-10

Description : Write the balanced equation for the following chemical reactions. (i) Hydrogen + Chlorine → Hydrogen chloride (ii) Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride (iii) Sodium + Water → Sodium hydroxide + Hydrogen -Chemistry-10

Last Answer : (i) H2 + Cl2 → 2HCl (ii) 3 BaCl2 + Al2(SO4)3 → BaSO4 + 2 AlCl3 (iii) 2Na + 2H2O → 2NaOH + H2↑

What Sodium (Na) and water (H2O) undergo a chemical reaction that produces sodium hydroxide (NaOH and hydrogen gas (H2). Which equation represents this chemical reaction?

Description : What Sodium (Na) and water (H2O) undergo a chemical reaction that produces sodium hydroxide (NaOH and hydrogen gas (H2). Which equation represents this chemical reaction?

Last Answer : 2Na+2H20->2Na0H+H2 ::::apex

Lime water contains (a) sodium hydroxide (b) calcium hydroxide (c) sodium carbonate (d) calcium chloride

Description : Lime water contains (a) sodium hydroxide (b) calcium hydroxide (c) sodium carbonate (d) calcium chloride

Last Answer : Ans:(b)

Sodium reacts with water to form sodium hydroxide and hydrogen gas. The balanced equation which represents the above reaction is (a) Na(s) + 2H20(l) → 2NaOH(aq) + 2H2(g) (b) 2Na(s) + 2H2O(l) → 2NaOH(aq) +H2(g) (c) 2Na(s) + 2H20(l) → NaOH(aq) + 2H2(g) (d) 2Na(s) + H20(l) - 2NaOH(aq) + 2H2(g)

Description : Sodium reacts with water to form sodium hydroxide and hydrogen gas. The balanced equation which represents the above reaction is (a) Na(s) + 2H20(l) → 2NaOH(aq) + 2H2(g) (b) 2Na(s) + 2H2O(l) → 2NaOH(aq) +H2(g) (c) 2Na(s) + 2H20(l) → NaOH(aq) + 2H2(g) (d) 2Na(s) + H20(l) - 2NaOH(aq) + 2H2(g)

Last Answer : Answer: (b)

Oxygen has a valence number of -1 in: w) Sodium Peroxide x) Potassium Chlorate y) Water z) Sodium Hydroxide

Description : Oxygen has a valence number of -1 in: w) Sodium Peroxide x) Potassium Chlorate y) Water z) Sodium Hydroxide

Last Answer : ANSWER: W -- SODIUM PEROXIDE

Which of the following reactions involve NEITHER oxidation nor reduction? w) burning antimony in chlorine x) decomposition of potassium chlorate y) reaction of sodium with water z) reaction of potassium hydroxide with nitric acid

Description : Which of the following reactions involve NEITHER oxidation nor reduction? w) burning antimony in chlorine x) decomposition of potassium chlorate y) reaction of sodium with water z) reaction of potassium hydroxide with nitric acid

Last Answer : ANSWER: Z -- REACTION OF POTASSIUM HYDROXIDE WITH NITRIC ACID  

nitric acid + sodium hydroxide?

Description : nitric acid + sodium hydroxide?

Last Answer : SODIUM HYDROXIDE commonly known as caustic soda is industriallymanufactured by the electrolysis of brinein the lab, it is prepared by heating an excess of slaked limewith 10 percent sodium ... with sodium hydroxide (danger: takeprecautions with greatest care) to form sodium nitrate pluswater.

What is Sodium Hydroxide ?

Description : What is Sodium Hydroxide ?

Last Answer : Sodium hydroxide is a chemical known as caustic soda. It is an inorganic compound whose chemical symbol is NaOH . It is a white solid. It is available in the market in the form of pellets , ... . Its religion is alkaline. This alkali slowly absorbs moisture and carbon dioxide ( CO2) from the air.

What are the chemical signals of Sodium Hydroxide ?

Description : What are the chemical signals of Sodium Hydroxide ?

Last Answer : : The chemical symbol of sodium hydroxide is NaOH

What are the chemical signals of Sodium Hydroxide ?

Last Answer : : The signal for sodium hydroxide is NAOH

What are the chemical signals of Sodium Hydroxide ?

Last Answer : The chemical signal of sodium hydroxide is NaOH

What is Sodium Hydroxide called ?

Last Answer : Sodium hydroxide is called caustic soda

The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :

Description : The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :

Last Answer : The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is : A ... acid C. phthalic acid D. benzoic acid

Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Description : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Last Answer : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to ... . `II gt I gt IV gt III`

Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Description : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Last Answer : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to ... O)overset(||)(C)-NH_(2)`

Chlorine on reaction with hot and concentrated sodium hydroxide gives:

Description : Chlorine on reaction with hot and concentrated sodium hydroxide gives:

Last Answer : Chlorine on reaction with hot and concentrated sodium hydroxide gives: A. `ClO_3^-` and `ClO_2^-` B. `Cl^-` ... and `ClO_3^-` D. `Cl^-` and `ClO_2^-`

When chlorine reacts with cold and dilute solution of sodium hydroxide, the products obtained are

Description : When chlorine reacts with cold and dilute solution of sodium hydroxide, the products obtained are

Last Answer : When chlorine reacts with cold and dilute solution of sodium hydroxide, the products obtained are A. (1) `ClO_2^ ... ClO_2^-` D. `ClO^-` and `ClO_3^-`

How many moles are in 8 grams of sodium hydroxide?

Description : How many moles are in 8 grams of sodium hydroxide?

Last Answer : 0.2 mol

Is sodium hydroxide binary or polyatomic?

Description : Is sodium hydroxide binary or polyatomic?

Last Answer : Sodium hydroxide (NaOH) is polyatomic (contain atoms of Na, O and H).

What is the answer and how did you get it using the balanced equation from problem 4 Determine the limiting reagent if you start with 200 grams of sodium hydroxide and 100 grams of sulfuric acid?

Description : What is the answer and how did you get it using the balanced equation from problem 4 Determine the limiting reagent if you start with 200 grams of sodium hydroxide and 100 grams of sulfuric acid?

Last Answer : The chemical equation is:2 NaOH + H2SO4 = Na2SO4 + 2 H2OMolar mass of sodium hydroxide is 39,9971 g; molar mass of sulfuric acid is 98,079 g.2 . 39,9971 g NaOH----------------------98,079 g H2SO4200 g ... ---------xx = (200 x 98,079)/2 . 39,9971 = 245 g H2SO4So sulfuric acid is the limiting reagent.

What is the colour of indicator in sodium hydroxide solution?

Description : What is the colour of indicator in sodium hydroxide solution?

Last Answer : The pH-paper Merck Art. 9565 is red to violet.

What is the colour of indicator in sodium hydroxide solution?

Description : What is the colour of indicator in sodium hydroxide solution?

Last Answer : The pH-paper Merck Art. 9565 is red to violet.

What chemical compound is formed when sodium atoms combine with hydroxide groups?

Description : What chemical compound is formed when sodium atoms combine with hydroxide groups?

Last Answer : A group hydroxide doesn't exist.

Is the neutralization of citric acid and sodium hydroxide acid base or neutral?

Description : Is the neutralization of citric acid and sodium hydroxide acid base or neutral?

Last Answer : Sodium citrate solution is basic.

What is the balanced equation for the reaction of acetic acid being neutralized by sodium hydroxide?

Description : What is the balanced equation for the reaction of acetic acid being neutralized by sodium hydroxide?

Last Answer : CH3COOH + NaOH ==> H2O + CH3COONa

Sodium hydroxide poisoning?

Description : Sodium hydroxide poisoning?

Last Answer : DefinitionSodium hydroxide is a very strong chemical that is also known as lye and caustic soda. This article discusses poisoning from touching, breathing in (inhaling), or swallowing ... .It may also be found in certain household products, including:Aquarium productsClinitest tabletsDrain cle

Is sodium hydroxide solution hazardous?

Description : Is sodium hydroxide solution hazardous?

Last Answer : It is. Solutions of concentration 0.5M or greater should be labelled 'corrosive' and more dilute solutions as 'irritant'.

The pH value of 12 may be of an aqueous solution of 1. Sodium hydroxide 2. Lithium hydroxide 3. Sodium chloride 4. Hydrogen chloride The correct statements are: (a) 1 and 2 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4

Description : The pH value of 12 may be of an aqueous solution of 1. Sodium hydroxide 2. Lithium hydroxide 3. Sodium chloride 4. Hydrogen chloride The correct statements are: (a) 1 and 2 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4

Last Answer : Ans:(a)

Which one of the following is used as a food preservative? (1) Sodium benzoate (2) Sodium thiosulphate (3) Sodium hydroxide (4) Sodium bicarbonate

Description : Which one of the following is used as a food preservative? (1) Sodium benzoate (2) Sodium thiosulphate (3) Sodium hydroxide (4) Sodium bicarbonate

Last Answer : (1) Sodium. benzoate Explanation: Sodium benzoate has the chemical formula. NaC6H5CO2, it is a widely used food preservative, with E number E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.

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.

The chemical name for common salt - (1) Sodium chloride (2) Sodium hydroxide (3) Sodium chlorate (4) Potasium chloride

Description : The chemical name for common salt - (1) Sodium chloride (2) Sodium hydroxide (3) Sodium chlorate (4) Potasium chloride

Last Answer : (1) Sodium chloride Explanation: Sodium chloride is also known common salt is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.