Chemical formula of 'salt cake' is (A) Na2SO4 (B) CaSO4 (C) MgSO4 (D) BaSO4

Chemical formula of 'salt cake' is
(A) Na2SO4
(B) CaSO4
(C) MgSO4
(D) BaSO4
by

1 Answer

Answer :

(A) Na2SO4
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Related questions

Salt cake is chemically represented by (A) Na2SO4(B) CaSO4. ½H2O(C) MgSO4(D) BaSO4

Description : Salt cake is chemically represented by (A) ) Na2SO4 (B) CaSO4 . ½H2O (C) MgSO4 (D) BaSO4

Last Answer : (A) Na2SO4

Glauber's salt is chemically represented by (A) Na2SO4 .10H2O (B) CaCl(OCl) (C) CaSO4 .H2O (D) (NH4 )2SO4

Description : Glauber's salt is chemically represented by (A) Na2SO4 .10H2O (B) CaCl(OCl) (C) CaSO4 .H2O (D) (NH4 )2SO4

Last Answer : (A) Na2SO4 .10H2O

Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of (A) MgO & Na2CO3 (B) MgSO4 & BaCl2 (C) BaSO4 & NaCl (D) MgCO3 & NaC

Description : Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of (A) MgO & Na2CO3 (B) MgSO4 & BaCl2 (C) BaSO4 & NaCl (D) MgCO3 & NaC

Last Answer : (A) MgO & Na2CO3

What type of reaction is BaCl2 +Na2SO4 ➝ 2NaCl+BaSO4?

Description : What type of reaction is BaCl2 +Na2SO4 ➝ 2NaCl+BaSO4?

Last Answer : Double-Replacement-Apex

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.

A sulphate salt of group 2 element of the periodic table is white ,soft substance which can be moulded into different shapes by making its dough.Identify the salt . (a) CaSO4.1/2 H2O (b) CaSO4.2H2O (c) 2CaSO4. 1⁄2 H2O (d)CaSO4

Description : A sulphate salt of group 2 element of the periodic table is white ,soft substance which can be moulded into different shapes by making its dough.Identify the salt . (a) CaSO4.1/2 H2O (b) CaSO4.2H2O (c) 2CaSO4. 1⁄2 H2O (d)CaSO4

Last Answer : (a) CaSO4.1/2 H2O

A student took Sodium Sulphate solution in a test tube and added Barium Chloride solution to it. He observed that an insoluble substance has formed. The colour and molecular formula of the insoluble substance is (a) Grey, Ba2SO4 (b) Yellow, Ba(SO4)2, (c) White, BaSO4 (d) Pink, BaSO4,

Description : A student took Sodium Sulphate solution in a test tube and added Barium Chloride solution to it. He observed that an insoluble substance has formed. The colour and molecular formula of the insoluble substance is (a) Grey, Ba2SO4 (b) Yellow, Ba(SO4)2, (c) White, BaSO4 (d) Pink, BaSO4,

Last Answer : Answer: (c) White, BaSO4

What of the following reactions demonstrates a synthesis reaction A) Mg plus H2SO4 and gt MgSO4 plus H2 B) 2NaCl and gt 2Na plus Cl2 C) C plus O2 and gt CO2 D) Zn plus 2HCl and gt ZnCl2 plus H2?

Description : What of the following reactions demonstrates a synthesis reaction A) Mg plus H2SO4 and gt MgSO4 plus H2 B) 2NaCl and gt 2Na plus Cl2 C) C plus O2 and gt CO2 D) Zn plus 2HCl and gt ZnCl2 plus H2?

Last Answer : C+O2 →CO2

Out of NaCl, MgSO4 , Al2 (SO4 ) 3 , K4 [Fe(CN)6 ], which one will bring about the coagulation of a gold sol quickest and in the least of concentration ?

Description : Out of NaCl, MgSO4 , Al2 (SO4 ) 3 , K4 [Fe(CN)6 ], which one will bring about the coagulation of a gold sol quickest and in the least of concentration ?

Last Answer : Ans. Al2 (SO4 ) 3 .

For concentrating an aqueous solution of a material like anhydrous Na2SO4, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. (A) High pressure (B) Vacuum (C) Backward feed (D) None of these

Description : For concentrating an aqueous solution of a material like anhydrous Na2SO4, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. (A) High pressure (B) Vacuum (C) Backward feed (D) None of these

Last Answer : (B) Vacuum

Vetrocoke solution is (A) A mixture of K2CO3 and As2O3 (B) K2SO4 (C) A mixture of Na2CO3 and As2O3 (D) Na2SO4

Description : Vetrocoke solution is (A) A mixture of K2CO3 and As2O3 (B) K2SO4 (C) A mixture of Na2CO3 and As2O3 (D) Na2SO4

Last Answer : (A) A mixture of K2CO3 and As2O3

Pick out the wrong statement. (A) Dehydration of ammonium carbamate to produce urea is endothermic (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable (C) Gypsum (CaSO4 . 2H2O) is obtained as a by-product in the wet process for manufacture of ortho-phosphoric acid (D) Phosphate rock when reacted with dilute H2SO4 produces superphosphate

Description : Pick out the wrong statement. (A) Dehydration of ammonium carbamate to produce urea is endothermic (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India ... manufacture of ortho-phosphoric acid (D) Phosphate rock when reacted with dilute H2SO4 produces superphosphate

Last Answer : (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable

In the manufacture of ortho-phosphoric acid by strong H2SO4 leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesirable (A) CaSO4 .½ H2O and CaSO4 crystals (B) Pyrophosphoric acid (C) Meta-phosphoric acid (D) All (A), (B) and (C)

Description : In the manufacture of ortho-phosphoric acid by strong H2SO4 leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesirable (A) CaSO4 .½ H2O and CaSO4 crystals (B) Pyrophosphoric acid (C) Meta-phosphoric acid (D) All (A), (B) and (C)

Last Answer : (A) CaSO4 .½ H2O and CaSO4 crystals

Plaster of Paris is (A) CaSO4 .½H2O (B) Used for setting of broken bones (C) Both (A) and (B) (D) Same as gypsum

Description : Plaster of Paris is (A) CaSO4 .½H2O (B) Used for setting of broken bones (C) Both (A) and (B) (D) Same as gypsum

Last Answer : (C) Both (A) and (B)

Main constituent of limestone is (A) CaCO3 (B) MgCO3 (C) Na2CO3 (D) CaSO4

Description : Main constituent of limestone is (A) CaCO3 (B) MgCO3 (C) Na2CO3 (D) CaSO4

Last Answer : (A) CaCO3

CaSO4 .½H2O is known as (A) Blue vitriol (B) Plaster of Paris (C) Gypsum (D) Zeolite

Description : CaSO4 .½H2O is known as (A) Blue vitriol (B) Plaster of Paris (C) Gypsum (D) Zeolite

Last Answer : (B) Plaster of Paris

What is the total number of protons neutrons and electrons in Na2SO4 assuming 23Na 32S and 16O?

Description : What is the total number of protons neutrons and electrons in Na2SO4 assuming 23Na 32S and 16O?

Last Answer : We know that sodium is atomic number 11, and it has 11 protons,11 electrons (in a neutral atom), and will have 12 neutrons in itssodium-23 isotope. Sulfur is atomic number 16, and will have 16protons, ... atom and 4 oxygen atoms, we'll have a total of 70 protons,72 neutrons and 70 electrons in sum.

How many grams of Na2SO4 are required to make 350 ml of 0.5M?

Description : How many grams of Na2SO4 are required to make 350 ml of 0.5M?

Last Answer : Molar mass Na2SO4 = 142 g/mole0.5 M = 0.5 moles/L = 0.5 moles x142 g/mole = 71 g/L350 ml = 0.350 L, therefore 71 g/L x 0.35 L = 24.85 gIf using proper significant figures, it would be 20 g

How many molecules of water are produced if 2.0g of sodium sulfate are produced in the above reactionH2SO4+2NaOH=H2O+Na2SO4?

Description : How many molecules of water are produced if 2.0g of sodium sulfate are produced in the above reactionH2SO4+2NaOH=H2O+Na2SO4?

Last Answer : The reaction requires 2 moles of hydrogen gas and 1 mole of oxygen gas to produce 2 moles of water.

Fatty liver is also caused by (A) CH3Cl (B) CCl4 (C) Na2SO4 (D) Riboflavin

Description : Fatty liver is also caused by (A) CH3Cl (B) CCl4 (C) Na2SO4 (D) Riboflavin

Last Answer : Answer : B

What laboratory procedure you would use to separate and recover the components of a mixture containing BaSO4 Na2CO3 and C10H8?

Description : What laboratory procedure you would use to separate and recover the components of a mixture containing BaSO4 Na2CO3 and C10H8?

Last Answer : Na2CO3 is soluble in water and separated by filtration from a water mixture.Naphtalene is separated by heating when sublimation occur.

What volume (in mL) of 0.25M NaSO4 solution is needed to precipitate all the barium as BaSO4(s) from 12.5mL of 0.15M Ba(NO3)2 solution?

Description : What volume (in mL) of 0.25M NaSO4 solution is needed to precipitate all the barium as BaSO4(s) from 12.5mL of 0.15M Ba(NO3)2 solution?

Last Answer : The chemical equation is:Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3The volume (in mL) of 0,25M Na2SO4 solution needed to precipitate all the barium as BaSO4(s) from 12,5mL of 0,15M Ba(NO3)2 solution is 7,5 mL.

Gypsum (CaSO4 .2H2O) is used for the reclamation of

Description : Gypsum (CaSO4 .2H2O) is used for the reclamation of

Last Answer : Ans. Sodic/Alkaline soils

Addition of H2 to acetylene gives ethane in presence of palladium but if BaSO4 and quinoline or sulphur are also added, the product is ethane. Why ?

Description : Addition of H2 to acetylene gives ethane in presence of palladium but if BaSO4 and quinoline or sulphur are also added, the product is ethane. Why ?

Last Answer : Ans. BaSO4 + quinoline / s poison the catalyst. Hence, the efficiency of the catalyst decreases and the reaction stops at the first stage of reduction. 

Hinsberg's reagent is (a) Pd + BaSO4 (b) p-Toluenesulfonic acid (c) NH2NH2 + KOH (d) Benzenesulfonic acid

Description : Hinsberg's reagent is (a) Pd + BaSO4 (b) p-Toluenesulfonic acid (c) NH2NH2 + KOH (d) Benzenesulfonic acid

Last Answer : Benzenesulfonic acid

Acid chlorides undergo reduction to the corresponding aldehydes on treatment with hydrogen in the presence of Pd/BaSO4. This reaction is called : (a) Clemmensen reduction (b) Rosenmund reduction (c) Wolf-Kishner reduction (d) None of these

Description : Acid chlorides undergo reduction to the corresponding aldehydes on treatment with hydrogen in the presence of Pd/BaSO4. This reaction is called : (a) Clemmensen reduction (b) Rosenmund reduction (c) Wolf-Kishner reduction (d) None of these

Last Answer : Rosenmund reduction

Lucas reagents is (a) HCl/NaNO2 (b) H2/Pd (c) HCl/ZnCl2 (d) H2/Pd/BaSO4

Description : Lucas reagents is (a) HCl/NaNO2 (b) H2/Pd (c) HCl/ZnCl2 (d) H2/Pd/BaSO4

Last Answer : HCl/ZnCl2

Lindlar's catalyst is(a) LiAlH4(b) Pd/BaSO4 in Quinoline(c) NH2NH2(d) HCl/ZnCl

Description : Lindlar's catalyst is (a) LiAlH4 (b) Pd/BaSO4 in Quinoline (c) NH2NH2 (d) HCl/ZnCl

Last Answer : Pd/BaSO4 in Quinoline

The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All the above

Description : The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All the above

Last Answer : Answer: Option D

The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All these

Description : The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All these

Last Answer : Answer: Option D

Calcination of gypsum produces (A) Plaster of Paris (B) Salt cake (C) Nitre cake (D) Lime

Description : Calcination of gypsum produces (A) Plaster of Paris (B) Salt cake (C) Nitre cake (D) Lime

Last Answer : (A) Plaster of Paris

Write the chemical name and chemical formula of the salt used to remove permanent hardness of water. -Science

Description : Write the chemical name and chemical formula of the salt used to remove permanent hardness of water. -Science

Last Answer : Sodium carbonate, Na2CO3, is also known as washing soda. It can remove temporary and permanent hardness from water.

What is the scientific or chemical formula of table salt?

Description : What is the scientific or chemical formula of table salt?

Last Answer : Answer: Sodium Chloride or NaCl

What is the Chemical formula for Epsom salt ?

Description : What is the Chemical formula for Epsom salt ?

Last Answer : MgSO4. 7H20

n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In each batch about 120 kgs of material is dried. a. The quantity of moisture removed per batch. b. What is the total quantity ( sensible & latent) of heat required to evaporate the moisture, if the latent heat of water is 540 kcal/kg at atmospheric conditions, Ignore heat absorbed by the solids c. Find the quantity of steam required for the drying process (per batch), if steam at 4 kg/cm2 is used for generating hot air in the dryer and the dryer efficiency is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Description : n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture  is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In  each batch about 120 ... dryer and the dryer efficiency  is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Last Answer : Given that   Qty of material dried per batch - 120 Kgs  Moisture at inlet - 60% a. The quantity of moisture removed per batch.  Water quantity in a wet batch - 120 x 0.6 = 72 Kgs.  Quantity of bone dry ... - 48/0.95 = 50.5 Kgs.  Equivalent water in a dry batch - 50.5 - 48 = 2.5 Kgs.

What is the formula for making salt?

Description : What is the formula for making salt?

Last Answer : Table salt is sodium chloride - NaCl.

How many formula units of salt take up 10 moles?

Description : How many formula units of salt take up 10 moles?

Last Answer : What is the answer ?

The formula of common salt is (A) CaOH (B) KOH (C) NaCl (D) HCl

Description : The formula of common salt is (A) CaOH (B) KOH (C) NaCl (D) HCl

Last Answer : (C) NaCl

The 'new formula' WHO-ORS differs from the older 'standard formula' WHO-ORS in the following respect(s): A. It has lower Na+ ion and glucose concentration B. It has higher K+ ion concentration C. It has no basic salt D. Both 'B' and 'C' are correct

Description : The 'new formula' WHO-ORS differs from the older 'standard formula' WHO-ORS in the following respect(s): A. It has lower Na+ ion and glucose concentration B. It has higher K+ ion concentration C. It has no basic salt D. Both 'B' and 'C' are correct

Last Answer : A. It has lower Na+ ion and glucose concentration

CaH4 (PO4 )2 is the chemical formula of (A) Superphosphate (B) Triple superphosphate (C) Calcium phosphate (D) Meta phosphoric acid

Description : CaH4 (PO4 )2 is the chemical formula of (A) Superphosphate (B) Triple superphosphate (C) Calcium phosphate (D) Meta phosphoric acid

Last Answer : (B) Triple superphosphate

Chemical formula of meta-phosphoric acid is (A) H3PO4 (B) H4P2O7 (C) HPO3(D) Same as that of Pyrophosphoric acid

Description : Chemical formula of meta-phosphoric acid is (A) H3PO4 (B) H4P2O7 (C) HPO3 (D) Same as that of Pyrophosphoric acid

Last Answer : (C) HPO3

. Chemical formula of biuret is (A) NH2 .CO.NH2 (B) NH3 .COO.NH3 (C) NH2CONHCONH2 (D) NH4COONH2

Description : . Chemical formula of biuret is (A) NH2 .CO.NH2 (B) NH3 .COO.NH3 (C) NH2CONHCONH2 (D) NH4COONH2

Last Answer : (C) NH2CONHCONH2

H3PO4 is the chemical formula of __________ phosphoric acid. (A) Pyro (B) Ortho (C) Meta (D) None of these

Description : H3PO4 is the chemical formula of __________ phosphoric acid. (A) Pyro (B) Ortho (C) Meta (D) None of these

Last Answer : (B) Ortho

(CH3 C6 H4 )3 PO4 is the chemical formula of (A) Triple superphosphate (B) Tricresyl phosphate (C) Fluorapatite (D) Superphosphate

Description : (CH3 C6 H4 )3 PO4 is the chemical formula of (A) Triple superphosphate (B) Tricresyl phosphate (C) Fluorapatite (D) Superphosphate

Last Answer : (B) Tricresyl phosphate

HPO3 is the chemical formula of __________ phosphoric acid. (A) Pyro (B) Ortho (C) Meta (D) None of these

Description : HPO3 is the chemical formula of __________ phosphoric acid. (A) Pyro (B) Ortho (C) Meta (D) None of these

Last Answer : (C) Meta

H4P2O7 is the chemical formula of __________ phosphoric acid. (A) Pyro (B) Ortho (C) Meta (D) None of these

Description : H4P2O7 is the chemical formula of __________ phosphoric acid. (A) Pyro (B) Ortho (C) Meta (D) None of these

Last Answer : (A) Pyro

Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating sulphuric acid with sulphur trioxide (C) Vitriol oil is nothing but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling

Description : Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating ... but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling

Last Answer : (D) Decomposition of sulphuric acid on heating does not start before its boiling

CaCl(OCl) is the chemical formula of (A) Hypo (B) Bleaching powder (C) Plaster of Paris (D) Aqua regia

Description : CaCl(OCl) is the chemical formula of (A) Hypo (B) Bleaching powder (C) Plaster of Paris (D) Aqua regia

Last Answer : (B) Bleaching powder

Chemical formula of oleum is (A) H2SO3 (B) H2SO4 (C) H2S2O7 (D) H2SO7

Description : Chemical formula of oleum is (A) H2SO3 (B) H2SO4 (C) H2S2O7 (D) H2SO7

Last Answer : (C) H2S2O7

Chemical formula of BHC, which is an insecticide is (A) C6H6Cl6 (B) C6Cl6 (C) C6H5Cl (D) C6H4Cl2

Description : Chemical formula of BHC, which is an insecticide is (A) C6H6Cl6 (B) C6Cl6 (C) C6H5Cl (D) C6H4Cl2

Last Answer : (B) C6Cl6