{"id":45,"date":"2014-10-15T14:11:48","date_gmt":"2014-10-15T14:11:48","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscimcqanswers\/?page_id=45"},"modified":"2015-10-03T07:13:15","modified_gmt":"2015-10-03T07:13:15","slug":"acids-alakalis-mcq-test-1-answers","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscimcqanswers\/acids-alakalis-mcq-test-1-answers\/","title":{"rendered":"Acids & Alakalis MCQ Test 1 Answers"},"content":{"rendered":"\n\n\n\n\n\n\n
1<\/a>.<\/strong><\/span>
\n1 pt(s).<\/span><\/em><\/td>\n		The acid in our stomach, that helps to break down food during digestion is<\/span><\/td>\n<\/tr>\n
\"correct \"answer<\/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<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
2<\/a>.<\/strong><\/span>
\n1 pt(s).<\/span><\/em><\/td>\n		An alkali has a pH of<\/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
\"correct \"answer<\/td>\nC.<\/span><\/td>\ngreater than 7<\/span><\/td>\n<\/tr>\n
\"\"<\/td>\nD.<\/span><\/td>\n14<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
3<\/a>.<\/strong><\/span>
\n1 pt(s).<\/span><\/em><\/td>\n		An acid has a pH of<\/span><\/td>\n<\/tr>\n
\"\"<\/td>\nA.<\/span><\/td>\n7<\/span><\/td>\n<\/tr>\n
\"correct \"answer<\/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<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
4<\/a>.<\/strong><\/span>
\n1 pt(s).<\/span><\/em><\/td>\n		An example of a commonly used alkali is<\/span><\/td>\n<\/tr>\n
\"\"<\/td>\nA.<\/span><\/td>\ncitric acid<\/span><\/td>\n<\/tr>\n
\"correct \"answer<\/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<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
5<\/a>.<\/strong><\/span>
\n1 pt(s).<\/span><\/em><\/td>\n		Ammonia is a weaker alkali than sodium hydroxide. Its pH is likely to be…..<\/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
\"correct \"answer<\/td>\nC.<\/span><\/td>\n9<\/span><\/td>\n<\/tr>\n
\"\"<\/td>\nD.<\/span><\/td>\n14<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
6<\/a>.<\/strong><\/span>
\n1 pt(s).<\/span><\/em><\/td>\n		Citric acid occurs naturally in…….<\/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
\"correct \"answer<\/td>\nC.<\/span><\/td>\nlemons<\/span><\/td>\n<\/tr>\n
\"\"<\/td>\nD.<\/span><\/td>\ntable salt<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
7<\/a>.<\/strong><\/span>
\n1 pt(s).<\/span><\/em><\/td>\n		Which one of the following statements is correct for acids? Acids<\/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
\"correct \"answer<\/td>\nD.<\/span><\/td>\nare corrosive<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
8<\/a>.<\/strong><\/span>
\n1 pt(s).<\/span><\/em><\/td>\n		Maryam stated that a bottle contained a weak acid. She knew this because<\/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
\"correct \"answer<\/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<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
9<\/a>.<\/strong><\/span>
\n1 pt(s).<\/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><\/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
\"correct \"answer<\/td>\nD.<\/span><\/td>\nhe found it had a pH of 14<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
10<\/a>.<\/strong><\/span>
\n1 pt(s).<\/span><\/em><\/td>\n		Which of the following household substances would be an alkali?<\/span><\/td>\n<\/tr>\n
\"\"<\/td>\nA.<\/span><\/td>\napple juice<\/span><\/td>\n<\/tr>\n
\"correct \"answer<\/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<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
11<\/a>.<\/strong><\/span>
\n1 pt(s).<\/span><\/em><\/td>\n		If we add some water to a solution of strong acid<\/span><\/td>\n<\/tr>\n
\"correct \"answer<\/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<\/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 pt(s).<\/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><\/td>\n<\/tr>\n
\"\"<\/td>\nA.<\/span><\/td>\nneutral<\/span><\/td>\n<\/tr>\n
\"correct \"answer<\/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<\/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 pt(s).<\/span><\/em><\/td>\n		When in the presence of a strong acid Universal indicator turns<\/span><\/td>\n<\/tr>\n
\"correct \"answer<\/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<\/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 pt(s).<\/span><\/em><\/td>\n		When in the presence of a weak alkali, Universal indicator turns<\/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
\"correct \"answer<\/td>\nD.<\/span><\/td>\nblue<\/span><\/td>\n<\/tr>\n
\"\"<\/td>\nE.<\/span><\/td>\npurple<\/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
\"\"<\/td>\n<\/td>\n<\/tr>\n
15<\/a>.<\/strong><\/span>
\n1 pt(s).<\/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><\/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
\"correct \"answer<\/td>\nC.<\/span><\/td>\na weak acid<\/span><\/td>\n<\/tr>\n
\"\"<\/td>\nD.<\/span><\/td>\na weak alkali<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

1. 1 pt(s). 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 2. 1 pt(s). An alkali has a pH of A. 7 B. less than 7 C. greater than 7 D. 14 3. 1 pt(s). An acid has … Continue reading “Acids & Alakalis MCQ Test 1 Answers”<\/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-45","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscimcqanswers\/wp-json\/wp\/v2\/pages\/45","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscimcqanswers\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscimcqanswers\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscimcqanswers\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscimcqanswers\/wp-json\/wp\/v2\/comments?post=45"}],"version-history":[{"count":1,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscimcqanswers\/wp-json\/wp\/v2\/pages\/45\/revisions"}],"predecessor-version":[{"id":46,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscimcqanswers\/wp-json\/wp\/v2\/pages\/45\/revisions\/46"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscimcqanswers\/wp-json\/wp\/v2\/media?parent=45"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}