Cho quỳ tím vào các dung dịch sau: NH4Cl, Ba(NO3)2, HCOONa, K2SO3, FeCl3, KClO4, NaClO, MgCl2, C6H5ONa, Na2SO4, BaBr2, AlCl3, ZnSO4. Quỳ tím có màu gì? Tại sao?

Ireally don’t know this

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.