other metals like calcium, magnesium, iron and sodium can also be used in the preparation of hydrogen why is zinc preferred over this metals​

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

Areaction in which products can react to re-form reactants is