chemistry chapter 3 0.0 / 5 ? ChemistrychemistryOtherNone Created by: sharshar444Created on: 25-05-18 21:52 zinc+hydrochloric > zinc chloride+hydrogen 1 of 20 when a metal reactions with hydrochloric acid it creates a salt and hydrogen gas 2 of 20 why do you hear a squeaky pop when you light a splint above a test tube with hydrogen gas hydrogen and oxygen react explosively 3 of 20 what is the most reactive metal potassium 4 of 20 what happens when you sprinkle zinc powder into a bunsen flame bright-white sparks 5 of 20 what forms when a metal reacts with oxygen an oxide 6 of 20 magnesium reacts______with dilute acids vigorously 7 of 20 calcium+water > calcium hydroxide + hydrogen 8 of 20 group 1 metals react_____with water vigorously 9 of 20 there is a _____when potassium reacts with water flame 10 of 20 what does magnesium react slowly with cold water 11 of 20 magnesium + water > magnesium oxide + hydrogen 12 of 20 what non-metal can be placed in the reactivity series? carbon 13 of 20 scientists get copper from rock using... chemical reactions 14 of 20 what reaction involves mixing two powders and heating them strongly thermite 15 of 20 a rock that you can extract a metal from is called an ore 16 of 20 what is a mixture of iron oxide and other compounds iron ore 17 of 20 to extract iron from its ore, firstly separate iron oxide from the _____ it is mixed with compounds 18 of 20 to extract iron from its ore, secondly use___ ___to extract iron from iron oxide chemical reactions 19 of 20 why is gold always exists as the element itself? it is very unreactive 20 of 20
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