Baking soda is chemically represented by

Question

Baking soda is chemically represented by

A. Na₂CO₃

B. NaHCO₃

C. Na₂CO₃.H₂O

D. Na₂CO₃.10H₂O

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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

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Fermentation is adversely affected by the

A. Presence of air

B. Absence of air

C. High concentration

D. Presence of ammonium salts

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A mineral is termed as 'ore', if

A. A metal can be economically extracted from it

B. It contains ≥ 40% metal

C. The metal present in it is costly

D. All (A), (B) and (C)

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Phenol is mainly used

A. To produce benzene

B. To produce phenol formaldehyde

C. To produce polyester resin

D. As a plasticiser for unsaturated polyester

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L.D. converter is used in the production of

A. Pig iron

B. Steel

C. Copper

D. Zinc

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Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

A. Adsorbs

B. Oxidises

C. Reduces

D. Converts

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Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces

A. Nylon-6

B. Dacron

C. Polyester

D. PVC

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Enzymes are

A. Proteins with high molecular weight (around 10,000)

B. Derived from living organisms

C. Catalyst for temperature sensitive reactions

D. All (A), (B) and (C)

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Anion exchanger is regenerated usually with

A. NaOH

B. H2SO4

C. Hydrazine

D. Alum solution

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Salt is added in the kettle during soap manufacture to separate

A. Soap from lye

B. Glycerine from lye

C. The metallic soap

D. The unsaponified fat from soap

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Industrial production of chloroform requires acetone and

A. Phosgene

B. Calcium hypochlorite

C. Chlorine

D. Ammonium chloride

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Molasses is the starting material for the production of

A. Alcohol

B. Essential oil

C. Fatty acids

D. Massecuite

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__________ is the major constituent of the Portland cement.

A. Calcium carbonate

B. Calcium oxide

C. Tricalcium silicate

D. Calcium sulphate

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Zeolite is a/an

A. Naturally occuring clay which is capable of exchanging cations

B. Abrasive material

C. Catalyst used in shift conversion

D. None of these

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Neon gas is

A. Flammable in nature

B. Used in color discharge tube

C. Filled in lamps having tungsten filament

D. All (A), (B) and (C)

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Fourdrinier machine is used in the manufacture of

A. Nylon-6

B. Paper

C. Antibiotics

D. Sugar

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Which of the following fuel gases contains maximum amount of carbon monoxide?

A. Coke oven gas

B. Water gas

C. Blast furnace gas

D. L.D. converter gas

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Conversion of CO to CO2 by steam in presence of a catalyst is called

A. Steam reforming

B. Shift conversion

C. Steam gasification

D. None of these

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Comparing sulphate process with sulphite process, we find that __________ in the later.

A. Both temperature & pressure in the former is less than that

B. Both temperature & pressure in the former is more than that

C. Temperature is more in the former whereas pressure is more

D. Pressure is more in the former whereas temperature is less

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Main constituent of dolomite is

A. CaCO₃

B. MgCO₃

C. K₂CO₃

D. Na₂CO₃

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Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

A. -5 to 0

B. 5 to 10

C. 30 to 50

D. 75 to 80

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__________ acid is an unsaturated fatty acid.

A. Palmitic

B. Oleic

C. Stearic

D. Oxalic

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Ca(OH)₂ is called

A. Quicklime

B. Slaked lime

C. Limestone

D. Gypsum

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Pick out the wrong statement.

A. Strongly caking coal should not be used in the Lurgi gasifier

B. Acetylene gas cannot be used for illumination purpose

C. Water gas is called blue gas because of the color of the flame, when it is burnt

D. Gaseous fuels require less percentage of excess air for combustion as compared to liquid fuels

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Function of sodium thiosulphate (hypo) in development of photographic film/plate is to

A. Brighten the faint images

B. Remove metallic silver

C. Convert silver chloride to silver

D. Remove unexposed silver halide

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A substance produced by a living organism and capable of anti-microbial activity is called a/an

A. Antibiotic

B. Antiseptic

C. Disinfectant

D. None of these

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The enzyme which converts starch into the disaccharides maltose is

A. Diastase

B. Maltase

C. Yeast

D. None of these

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Type of glass used in optical work is the __________ glass.

A. Soda-lime

B. Fibre

C. Lead

D. Borosilicate

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Cooking liquor in case of sulphite process is

A. Sodium sulphite and sodium bisulphite

B. Magnesium sulphite and free SO2 in acid medium

C. Magnesium sulphate and magnesium bicarbonate

D. None of these

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Coal tar is used as a

A. Binding material for coal briquettes

B. Fuel in rotary kiln

C. Binder in making carbon electrodes

D. All (A), (B) and (C)

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Accepted Answer

B. NaHCO₃

Baking soda is chemically represented by

Correct Answer :

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Related Questions

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

Fermentation is adversely affected by the

A mineral is termed as 'ore', if

Phenol is mainly used

L.D. converter is used in the production of

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces

Enzymes are

Anion exchanger is regenerated usually with

Salt is added in the kettle during soap manufacture to separate

Industrial production of chloroform requires acetone and

Molasses is the starting material for the production of

__________ is the major constituent of the Portland cement.

Zeolite is a/an

Neon gas is

Fourdrinier machine is used in the manufacture of

Which of the following fuel gases contains maximum amount of carbon monoxide?

Conversion of CO to CO2 by steam in presence of a catalyst is called

Comparing sulphate process with sulphite process, we find that __________ in the later.

Main constituent of dolomite is

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

__________ acid is an unsaturated fatty acid.

Ca(OH)₂ is called

Pick out the wrong statement.

Function of sodium thiosulphate (hypo) in development of photographic film/plate is to

A substance produced by a living organism and capable of anti-microbial activity is called a/an

The enzyme which converts starch into the disaccharides maltose is

Type of glass used in optical work is the __________ glass.

Cooking liquor in case of sulphite process is

Coal tar is used as a

Also checkout

Baking soda is chemically represented by

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

Fermentation is adversely affected by the

A mineral is termed as 'ore', if

Phenol is mainly used

L.D. converter is used in the production of

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces

Enzymes are

Anion exchanger is regenerated usually with

Salt is added in the kettle during soap manufacture to separate

Industrial production of chloroform requires acetone and

Molasses is the starting material for the production of

__________ is the major constituent of the Portland cement.

Zeolite is a/an

Neon gas is

Fourdrinier machine is used in the manufacture of

Which of the following fuel gases contains maximum amount of carbon monoxide?

Conversion of CO to CO2 by steam in presence of a catalyst is called

Comparing sulphate process with sulphite process, we find that __________ in the later.

Main constituent of dolomite is

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

__________ acid is an unsaturated fatty acid.

Ca(OH)2 is called

Pick out the wrong statement.

Function of sodium thiosulphate (hypo) in development of photographic film/plate is to

A substance produced by a living organism and capable of anti-microbial activity is called a/an

The enzyme which converts starch into the disaccharides maltose is

Type of glass used in optical work is the __________ glass.

Cooking liquor in case of sulphite process is

Coal tar is used as a

Also checkout

Ca(OH)₂ is called