what name is given to substance (both soluble and insoluble) such as metal hydroxides and metal oxides that can neutralise acids?

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.