How many of the following will turn moist red litmus blue and finally white ? Li_(2)O, KO_(3), RbO_(2), Cs_(2)O_(2), BeO, MgO, BaO_(2), SrO

How many of the following will turn moist red litmus blue and finally

1.	How many of the following will turn moist red litmus blue and finally white ? Li_(2)O, KO_(3), RbO_(2), Cs_(2)O_(2), BeO, MgO, BaO_(2), SrO
Answer» SOLUTION :`KO_(3),RbO_(2),CS_(2)O_(2),BaO_(2){4}`