Why does a triple quadrupole mass spectrometer give a different product ion from an ion trap instrument?

Is laundry detergent an acid or a base?

How have the greenhouse gasses increased from the year 2000 to 2018

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)