Commercial production of soda ash by Solvay process requires limestone, ___________________ as raw materials?

Related Mcqs:

Concentration of NaOH solution produced by diaphragm electrolytic cell is about _______________ percent?

A. 10 B. 25 C. 50 D. 98...

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....

In sulphate pulp manufacture, the pressure and temperature in the digestor is____________________?

A. 10 atm., 800 °C B. 10 atm., 170-180°C C. 1 atm., 170 – 180°C D. 1 atm., 800°C...

Mercury cells for caustic soda manufacture, compared to diaphragm cells___________________?

A. Require lower initial investment B. Require more power C. Produce lower concentration NaOH D. None of these...

Main constituent of limestone is____________________?

A. CaCO3 B. MgCO3 C. Na2CO3 D. CaSO4...