Elevation relief and slope on a topographic map are shown using symbols called

Why does ammonia, nh3, behave as a base when it reacts with an acid? z

Can someone me out on this question for my national 5 chemistry homework

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?