Temporary hardness of water can be removed by__________________?

Related Mcqs:

Which of the following is not a product of coal tar distillation ?

A. Anthracene B. Creosote oil C. Carbolic oil D. None of these...

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to_________________?

A. Adjust the pH of the syrup B. Remove the coloring matter from the syrup C. Reduce the viscosity of the syrup D. Improve the rate of crystallisation of sugar...

______________ is a thermosetting plastic?

A. Polyvinyl chloride B. Polythene C. Bakelite D. Teflon...

Which is the main reducing agent during production of iron from iron ore in a blast furnace ?

A. C B. CO C. CO2 D. H2...

Frasch process is for______________________?

A. Making oxygen B. Producing helium C. Mining sulphur D. Making nitrogen...