{"id":25,"date":"2014-10-14T16:00:22","date_gmt":"2014-10-14T16:00:22","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1revision\/?page_id=25"},"modified":"2015-10-03T10:22:42","modified_gmt":"2015-10-03T10:22:42","slug":"chemical-reactions-2","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1revision\/chemical-reactions-2\/","title":{"rendered":"Chemical Reactions 2"},"content":{"rendered":"\n\n\n\n\n\n\n\n
1<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		In a class, a student accidentally poured sulphur into a jar of iron filings. She decided it would be easiest to separate the two using a magnet. This method would work because<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nThe elements have formed a compound and so are not joined to each other<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nThe elements have formed a mixture and so are joined to each other<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nThe elerments have formed a mixture and so are not joined to each other<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nThe elements have formed a compound and are joined to each other<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
2<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		Below is a drawing of an oxygen atom. Which of the diagrams could represent a drawing of a molecule of oxygen?<\/span> <\/span><\/p>\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
3<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		Iron is an element. Which of these could be a drawing of two iron atoms?<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
4<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		Carbon and zinc are elements. Which of the following could be a drawing of a carbon atom and a zinc atom?<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
5<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		When the elements iron and sulphur are joined together a compound forms. This compound is <\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nidentical to iron<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nidentical to sulphur<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nnot like iron or sulphur<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\na mixture of lumps of iron and sulphur<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
6<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		What is used to test for hydrogen gas?<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\npH paper<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nlime water<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\na burning splint<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\na glowing splint<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
7<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		Which of these is a chemical reaction?<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nA lake freezes solid.<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nGravel, sand, and water are mixed<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nA copper bar is rolled into a flat sheet<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nVinegar bubbles when baking soda is added.<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
8<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		According to this equation, what happened to the carbon and oxygen?<\/span> <\/span><\/p>\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nThey combined chemically to form a new compound.<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nThey combined chemically to form carbon and oxygen.<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nThey combined physically to form a new mixture.<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nThey combined physically to form a new element.<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
9<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		Which process is a physical change?<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nRusting iron<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nBurning coal<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nTarnishing silver<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nMelting ice<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
10<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		Because zinc can combine with other substances but cannot be changed into a simpler substance by an ordinary chemical process, zinc is classified as \u2014<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\na compound<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\na mixture<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nan element<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nan acid<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
11<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		A mixture of iron filings and sulphur can easily be separated by \u2014<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nplacing the mixture in water<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nperforming a chemical reaction<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nheating the mixture<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nusing a magnet<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
12<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		Which of these is best classified as a mixture?<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nCarbon dioxide<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nWater<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nSoil<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nIron<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
13<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		If you break a piece of glass, the shape of the glass changes, but the properties in the fragments remain the same. Which of the following has occurred?<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nA chemical change<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nA temperature change<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nA state change<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nA physical change<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
14<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		A substance made up of two or more elements that have been chemically combined is called \u2014<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nan atom<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\na compound<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nan element<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\na mixture<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
15<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		In an experiment combining vinegar and baking soda, gas is given off. In this chemical reaction, the vinegar and baking soda are \u2014<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nreactants<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nproducts<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nelements<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nsuspensions<\/span><\/td>\n<\/tr>\n
<\/td>\n\"check Flag this question for later review<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

1. 1 pts. In a class, a student accidentally poured sulphur into a jar of iron filings. She decided it would be easiest to separate the two using a magnet. This method would work because A. The elements have formed a compound and so are not joined to each other B. The elements have formed … Continue reading “Chemical Reactions 2”<\/span><\/a><\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-25","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1revision\/wp-json\/wp\/v2\/pages\/25","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1revision\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1revision\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1revision\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1revision\/wp-json\/wp\/v2\/comments?post=25"}],"version-history":[{"count":1,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1revision\/wp-json\/wp\/v2\/pages\/25\/revisions"}],"predecessor-version":[{"id":26,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1revision\/wp-json\/wp\/v2\/pages\/25\/revisions\/26"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1revision\/wp-json\/wp\/v2\/media?parent=25"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}