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Why can't I earn again

Upon all this my post I earn nothing 😡😡

Am back

Hi guys

In titration involving sodium hydroxide and dilute hydrochloric acid, where would you place the base?

A. in the beaker
B. in the conical flask
C. in a burette
D. in the standard flask
E. in the measuring cylinder

By means of filtration, one component can be obtained pure from an aqueous mixture of sodium chloride and?

A. potassium nitrate
B. sand
C. lead nitrate
D. sugar (glucose)
E. starch