{"id":3,"date":"2014-10-14T16:12:53","date_gmt":"2014-10-14T16:12:53","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/hydnsecscis2revision\/?page_id=3"},"modified":"2015-10-03T10:30:23","modified_gmt":"2015-10-03T10:30:23","slug":"acids-alkalis-1","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hydnsecscis2revision\/acids-alkalis-1\/","title":{"rendered":"Acids & Alkalis 1"},"content":{"rendered":"\n\n\n\n\n\n\n\n
1<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		The acid in our stomach, that helps to break down food during digestion is<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nhydrochloric acid<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nnitric acid<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nsulphuric acid<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nvinegar<\/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
2<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		An alkali has a pH of<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\n7<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nless than 7<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\ngreater than 7<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\n14<\/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
3<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		An acid has a pH of<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\n7<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nless than 7<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\ngreater than 7<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\n1<\/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
4<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		An example of a commonly used alkali is<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\ncitric acid<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nsodium hydroxide<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nvinegar<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nsodium tartrate<\/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
5<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		Ammonia is a weaker alkali than sodium hydroxide. Its pH is likely to be….. <\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\n4<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\n9<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\n14<\/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		Citric acid occurs naturally in……. <\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\npotatoes<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nlimestone<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nlemons<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\ntable salt<\/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 one of the following statements is correct for acids? Acids<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nhave a pH greater than7<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\ngive off a smoke<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nhave pH equal to 7<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nare corrosive<\/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
8<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		Maryam stated that a bottle contained a weak acid. She knew this because<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nshe had tested it with pH indicator and found its pH was 1<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nshe had tested it with pH indicator and found its pH was 5<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nshe had tested it with pH indicator and found its pH was 9<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nshe had tested it with pH indicator and found its pH was 13<\/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		Hamish found a bottle containing a solution. He wasn’t sure what it was, and tested it with pH paper. He said it was a strong alkali. He knew this because<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nhe found it had a pH of 1<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nhe found it had a pH of 5<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nhe found it had a pH of 7<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nhe found it had a pH of 14<\/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		Which of the following household substances would be an alkali?<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\napple juice<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nwindow cleaner<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nPepsi<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\npure water<\/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		If we add some water to a solution of strong acid<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nits pH will increase because it becomes more dilute<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nits pH will decrease because it becomes more dilute<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nits pH will increase because it becomes more concentrated<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nits pH will decrease because it becomes more concentrated<\/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\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
12<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		Choose the word from the options to correctly complete the following statement. The ___________ scale measures the acidity of a substance <\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nneutral<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\npH<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\nacid<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nlitmus paper<\/span><\/td>\n<\/tr>\n
<\/td>\nE.<\/span><\/td>\nuniversal indicator<\/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\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
13<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		When in the presence of a strong acid Universal indicator turns <\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nred<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nyellow<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\ngreen<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nblue<\/span><\/td>\n<\/tr>\n
<\/td>\nE.<\/span><\/td>\npurple<\/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\n
\"\"<\/td>\n<\/td>\n<\/tr>\n
14<\/a>.<\/strong><\/span>
\n1 pts.<\/span><\/em><\/td>\n		When in the presence of a weak alkali, Universal indicator turns <\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\nred<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\nyellow<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\ngreen<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\nblue<\/span><\/td>\n<\/tr>\n
<\/td>\nE.<\/span><\/td>\npurple<\/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		A student tested a solution with Universal indicator. It turned yellow. This most likely meant that the solution he had was<\/span> <\/span><\/td>\n<\/tr>\n
<\/td>\nA.<\/span><\/td>\na strong acid<\/span><\/td>\n<\/tr>\n
<\/td>\nB.<\/span><\/td>\na strong alkali<\/span><\/td>\n<\/tr>\n
<\/td>\nC.<\/span><\/td>\na weak acid<\/span><\/td>\n<\/tr>\n
<\/td>\nD.<\/span><\/td>\na weak alkali<\/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. The acid in our stomach, that helps to break down food during digestion is A. hydrochloric acid B. nitric acid C. sulphuric acid D. vinegar Flag this question for later review 2. 1 pts. An alkali has a pH of A. 7 B. less than 7 C. greater than 7 D. 14 … Continue reading Acids & Alkalis 1<\/span> →<\/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-3","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hydnsecscis2revision\/wp-json\/wp\/v2\/pages\/3","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hydnsecscis2revision\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hydnsecscis2revision\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hydnsecscis2revision\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hydnsecscis2revision\/wp-json\/wp\/v2\/comments?post=3"}],"version-history":[{"count":1,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hydnsecscis2revision\/wp-json\/wp\/v2\/pages\/3\/revisions"}],"predecessor-version":[{"id":4,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hydnsecscis2revision\/wp-json\/wp\/v2\/pages\/3\/revisions\/4"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hydnsecscis2revision\/wp-json\/wp\/v2\/media?parent=3"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}