div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader040fdocumentsinreader040viewer20220307095af7f6567f8b9a7444917049html5page1jpg target=_blank img data-url=documentsecondary-school-preliminasry-examination-2-2011-sec-4e5n-science-chemistry-ahtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Secondary School Preliminasry Examination 2 2011 Sec 4E5N Science Chemistry A gas Q is less dense than air and insoluble in water Which method cannot be used to collect 22 the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader040fdocumentsinreader040viewer20220307095af7f6567f8b9a7444917049html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader040fdocumentsinreader040viewer20220307095af7f6567f8b9a7444917049html5page2jpg target=_blank img data-url=documentsecondary-school-preliminasry-examination-2-2011-sec-4e5n-science-chemistry-ahtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Secondary School Preliminasry Examination 2 2011 Sec 4E5N Science Chemistry A gas Q is less dense than air and insoluble in water Which method cannot be used to collect 22 the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader040fdocumentsinreader040viewer20220307095af7f6567f8b9a7444917049html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader040fdocumentsinreader040viewer20220307095af7f6567f8b9a7444917049html5page3jpg target=_blank img data-url=documentsecondary-school-preliminasry-examination-2-2011-sec-4e5n-science-chemistry-ahtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Secondary School Preliminasry Examination 2 2011...