__________ process is used for the manufacture of sodium carbonate by ammonia soda process.

Sodium carbonate (soda ash) is not used in the manufacture of

A

Fire extinguishers

B

Sugar

C

Baking powder

D

Detergents

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

A

Plate

B

Baffle

C

Packed

D

None of these

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 of the above

The carbonating tower used in Solvay process of soda ash manufacture is made of

A

Cast iron

B

Stainless steel

C

Karbate

D

Lead lined steel

5% Sodium carbonate solution এর মোলারিটি কত?

A

0.88 M

B

0.98 M

C

0.47 M

D

0.74 M

What is the other name of sodium carbonate?

A

Baking soda

B

Washing soda

C

Baking powder

D

No option is correct

Sodium Carbonate is commonly known as

A

Baking Soda

B

Washing Soda

C

Caustic Soda

D

Caustic Potash

Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ?

A

Methylene blue

B

Methyl red

C

Phenolphthaline

D

Methyl orange

Raw materials for 'Solvay Process' for manufacture of the soda ash are

A

Salt, limestone and coke or gas

B

Ammonia, salt and limestone

C

Ammonia limestone and coke

D

None of these

Which of the following is not required in the manufacture of soda ash by Solvay process?

A

Ammonia

B

Limestone

C

Nitric acid

D

None of these

__________ process is used for the manufacture of sodium carbonate by ammonia soda process.

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