In the reaction, represented by Na2CO3 + HC1 → NaHO3 + NaCl, the equivalent weight of Na2CO3 is________________?

Related Mcqs:

Fireclay refractories___________________?

A. Are not resistant to the action of basic slags B. Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc C. Shrink during firing D. All A., B. and C....

The value of the gas-law constant ‘R’ is 1.987 ?

A. kcal/kg-mole.°C B. Btu/lb-mole.°R C. kcal/kg-mole.°K D. Both B. & C....

Fireclay bricks are used in the______________?

A. Coke ovens regenerator B. Outer lining of L.D. converter C. Hearth bottom of blast furnace D. Coke oven walls...

Which of the following ideal gas laws are not applicable to mixture of gases ?

A. Amagat’s law B. Dalton’s law C. Boyle’s law & Charle’s Law D. None of these...

Which of the following expressions defines the Baume gravity scale for liquids heavier than water ?

A. (141.5/G) – 131.5 B. 145 – (145/G) C. 200 (G-1) D. (400/G) – 400...