What is the product formed when sodium bicarbonate is heated strongly?

Sodium bicarbonate is commercially known as

A

Washing soda

B

Baking soda

C

Caustic soda

D

Soda lime

Sodium bicarbonate is produced during soda ash manufacture using a __________ tower.

A

Plate

B

Baffle

C

Packed

D

None of these

The acid which fails to liberate carbon dioxide from sodium bicarbonate is :

A

Acetic acid

B

Formic acid

C

Carbonic acid

D

Sulphuric acid

Commercially, sodium bicarbonate is known as

A

Washing soda

B

Baking soda

C

Bleaching powder

D

Soda ash

The common name of sodium bicarbonate is

A

Soda ash

B

Baking soda

C

Soda lime

D

Baking powder

Which of the following has sodium bicarbonate as its main constituent ?

A

Baking soda

B

Baking powder

C

Washing soda

D

None of these

Scheme-1: C6H5N2Cl→CuCNC6H5CN→H2o/H+C6H5COOH→∆Product-I Scheme-2: C6H5NO2→Fe/HCLC6H5NH2→N2NO3+HCL, 273KC6H5N2Cl→H2O/H+Product-II Scheme-3: CH3COOH→NH3CH3CONH2→NaOBrProduct-III উল্লিখিত Scheme সমূহে Product-I, Product-II এবং Product-III হলো যথাক্রমেঃ

A

C6H5COONH4, C6H5Cl and CH3OH

B

C6H5CONH2, C6H5NH2 and CH3OH

C

C6H5CONH2, C6H5NH2 and CH3NH2

D

C6H5CONH2, C6H5OH and CH3OH

A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2500 gallons of water evaporate from the tank, the remaining solution will be approximately what percent sodium chloride?

A

1.25%

B

3.75%

C

6.25%

D

6.67%

The value of Sodium Absorption Ratio for high sodium water lies between

A

0 to 10

B

10 to 18

C

18 to 26

D

26 to 34

Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium

A

Carbonate

B

Phosphate

C

Bicarbonate

D

Silicate

What is the product formed when sodium bicarbonate is heated strongly?

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