div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=-substitution-reaction-addition-reaction-esterification-polymerization-oxidationhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: maktabateteaorgsubstitution reaction addition reaction esterification polymerization oxidation reaction vii The weight of oxygen in 90 g of water is A 60 g B 70 g C 80 g D loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsmxreader030viewer20220401205e75e722b828ef28720cbf93html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=-substitution-reaction-addition-reaction-esterification-polymerization-oxidationhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: maktabateteaorgsubstitution reaction addition reaction esterification polymerization oxidation reaction vii The weight of oxygen in 90 g of water is A 60 g B 70 g C 80 g D loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsmxreader030viewer20220401205e75e722b828ef28720cbf93html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-substitution-reaction-addition-reaction-esterification-polymerization-oxidationhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: maktabateteaorgsubstitution reaction addition reaction esterification polymerization oxidation reaction vii The weight of oxygen in 90 g of water is A 60 g B 70 g C 80 g D loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsmxreader030viewer20220401205e75e722b828ef28720cbf93html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=-substitution-reaction-addition-reaction-esterification-polymerization-oxidationhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: maktabateteaorgsubstitution reaction addition reaction esterification polymerization oxidation reaction vii The weight of oxygen in 90 g of water is A 60 g B 70 g C 80 g D loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsmxreader030viewer20220401205e75e722b828ef28720cbf93html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=-substitution-reaction-addition-reaction-esterification-polymerization-oxidationhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: maktabateteaorgsubstitution reaction addition reaction esterification polymerization oxidation reaction vii The weight of oxygen in 90 g of water is A 60 g B 70 g C 80 g D loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsmxreader030viewer20220401205e75e722b828ef28720cbf93html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=-substitution-reaction-addition-reaction-esterification-polymerization-oxidationhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: maktabateteaorgsubstitution reaction addition reaction esterification polymerization oxidation reaction vii The weight of oxygen in 90 g of water is A 60 g B 70 g C 80 g D loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsmxreader030viewer20220401205e75e722b828ef28720cbf93html5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg data-url=-substitution-reaction-addition-reaction-esterification-polymerization-oxidationhtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: maktabateteaorgsubstitution reaction addition reaction esterification polymerization oxidation reaction vii The weight of oxygen in 90 g of water is A 60 g B 70 g C 80 g D loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsmxreader030viewer20220401205e75e722b828ef28720cbf93html5thumbnails7jpg width=140 height=200 divdiv