#2021dse

[chemsir-talking-chemistry]

[M.C. Challenge] Iron reacts with dilute hydrochloric acid to produce A. oxygen. B. chlorine. C. iron(II) chloride. D. iron(III) chloride. 🤔 👆Choose the best answer.👆 ------------------------------------------------------------------------ 👍Please like, comment and share @chemsir.talking.chemistry and tag your friends. ------------------------------------------------------------------------ 👉Follow @chemsir.talking.chemistry and @chemsir_lee_wai_hon for more chemistry materials. ------------------------------------------------------------------------ 🙏🏻Thank you for your support. Wish you enjoy the page! ------------------------------------------------------------------------ #ChemsirTalkingChemistry #chem #chemistry #science #ChemsirMCChallenge #iron #Fe #DiluteHydrochloricAcid #HydrochloricAcid #HCl #metal #2021dse #2022dse #2023dse #hkdse #dse #dsefighter #dse2021 #dse2022 #dse2023 #Chemsir同你講化學 #化學 #科學 #鐵 #稀氫氯酸 #稀鹽酸 #氫氯酸 #鹽酸 #金屬 #Chemsir https://www.instagram.com/p/CHH-h08BLHK/?igshid=q3p6r445q3or

[askyourbudget]

We Wish You A Very Happy & Prosperous Year. Shine Like Star. For Guest Blogging Contact Us or Mail Us @askyourbudget #newyear2021 #happynewyear #happynewyear2021 #happy2021 #2021 #2021goals #2021planner #2021dse #newjersy #vegas #egypt #guestblogging #guest #articlesofsociety #businessnews #professionalism #newyear2021 #goals2021 #manhattanbeach #lowermanhattan #zürichcity #züri #thames #thamesbay #thamesditton #newedition #newjobs #newbusinesscards (at India Gate) https://www.instagram.com/p/CJf0ql8nVvR/?igshid=ze6nas07vp5r

[ronsirchem-blog]

Exercises : 31. Typical reactions of selected homologous series #dse #dsechem #dsebio #dsephy #dsefighter #2020dse #2021dse #2022dse #chem #化學 #chemistry #bio #生物 #biology #Phy #物理 #physics #hkdse https://dse.video https://www.instagram.com/p/B-YkMw4h4Vc/?igshid=p4m7yswzem95

[epracticehk-blog]

照舊，留答案不留步驟。 ================== 每月慳返 $1000 補習費 極效備試平台: dsemth.com ================== #筆記 #note #高材生 #dse #2020dse #2021dse #操數王 #數學 #dsemth #math #ePractice #dsemaths #dsefighting #dsefighter #dser #5starstar #dse2020 #dse2021#補習 #補數 #hkdse #我要入大學 #其實唔難 https://www.instagram.com/p/B3V0kgPBVyv/?igshid=i462zyk5axlj

[radicaljayj]

Just a quick message.

[hkieca]

【#機會嚟啦飛雲 #停課不停學 #在家也能好好學習】

按教育局嘅指引：全港中、小學，幼稚園及特殊學校都唔會早過3月16日開學～仲有成個月先見得番班同學仔🥺好悶啊！！！

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[chemsir-talking-chemistry]

[M.C. Challenge] What is the empirical formula of hydrazine ? A. NH₂ B. NH₃ C. N₂H₃ D. N₂H₄ 🤔 👆Choose the best answer.👆 ------------------------------------------------------------------------ 👍Please like, comment and share @chemsir.talking.chemistry and tag your friends. ------------------------------------------------------------------------ 👉Follow @chemsir.talking.chemistry and @chemsir_lee_wai_hon for more chemistry materials. ------------------------------------------------------------------------ 🙏🏻Thank you for your support. Wish you enjoy the page! ------------------------------------------------------------------------ #ChemsirTalkingChemistry #chem #chemistry #hydrazine #N2H4 #EmpiricalFormula #StructuralFormula #StructuralFormulae #ammonia #chemistrylover #chemistrylovers #chemistryaddict #chemistryaddicts #2021dse #2022dse #2023dse #hkdse #dse #dsefighter #dse2021 #dse2022 #dse2023 #Chemsir同你講化學 #化學 #科學 #聯氨 #氨 #實驗式 #結構式 #Chemsir https://www.instagram.com/p/CI2-osbBIZH/?igshid=c84awhpvb9f4

[chemsir-talking-chemistry]

[M.C. Challenge] What is the chemical formula of quicklime? A. Ca B. CaO C. CaCO₃ D. Ca(OH)₂ 🤔 ------------------------------------------------------------------------ 👍Please like, comment and share @chemsir.talking.chemistry and tag your friends. ------------------------------------------------------------------------ 👉Follow @chemsir.talking.chemistry and @chemsir_lee_wai_hon for more chemistry materials. ------------------------------------------------------------------------ 🙏🏻Thank you for your support. Wish you enjoy the page! ------------------------------------------------------------------------ #ChemsirTalkingChemistry #chem #chemistry #science #ChemsirMCChallenge #CalciumOxide #CaO #CalciumCarbonate #CaCO3 #limestone #quicklime #SlakedLime #limewater #2021dse #2022dse #2023dse #hkdse #dse #dse2021 #dse2022 #dse2023 #Chemsir同你講化學 #化學 #科學 #生石灰 #熟石灰 #氧化鈣 #碳酸鈣 #電子 #Chemsir https://www.instagram.com/p/CFl_JFihzpP/?igshid=vatll27vnxnr

[chemsir-talking-chemistry]

[M.C. Challenge] Which of the following metals can be extracted by heating metal oxide with carbon (i.e. carbon reduction)? A. sodium B. magnesium C. zinc D. aluminium 🤔 Choose the best answer👆 🤔 ------------------------------------------------------------------------ 👍Please like, comment and share @chemsir.talking.chemistry and tag your friends. ------------------------------------------------------------------------ 👉Follow @chemsir.talking.chemistry and @chemsir_lee_wai_hon for more chemistry materials. ------------------------------------------------------------------------ 🙏🏻Thank you for your support. Wish you enjoy the page! ------------------------------------------------------------------------ #ChemsirTalkingChemistry #chem #chemistry #science #ChemsirMCChallenge #extraction #extract #MetalExtraction #CarbonReduction #metal #elements #element #2021dse #2022dse #2023dse #hkdse #dse #dsefighter #dse2021 #dse2022 #dse2023 #Chemsir同你講化學 #化學 #科學 #教育 #金屬提取 #碳還原 #金屬 #元素 #Chemsir https://www.instagram.com/p/CGhhKVwBt0c/?igshid=1gbjlz3ludnpc

[chemsir-talking-chemistry]

[M.C. Challenge] How many neutrons are there in a lithium-7 atom? A. 3 B. 4 C. 6 D. 7 🤔 ------------------------------------------------------------------------ 👍Please like, comment and share @chemsir.talking.chemistry and tag your friends. ------------------------------------------------------------------------ 👉Follow @chemsir.talking.chemistry and @chemsir_lee_wai_hon for more chemistry materials. ------------------------------------------------------------------------ 🙏🏻Thank you for your support. Wish you enjoy the page! ------------------------------------------------------------------------ #ChemsirTalkingChemistry #chem #chemistry #science #ChemsirMCChallenge #lithium #Li #proton #neutron #electron #nucleus #atom #element #2021dse #2022dse #hkdse #dse #dsefighter #dse2021 #dse2022 #HongKong #Chemsir同你講化學 #化學 #科學 #質子 #中子 #電子 #原子核 #原子 #Chemsir https://www.instagram.com/p/B_rDPyGhzm5/?igshid=1e0l31ht3jblr

[chemsir-talking-chemistry]

Welcome to ‘Chemsir.talking.chemistry’! This page is a magazine about chemistry education. It is managed by a low-profile Hong Kong chemistry teacher, Mr. Lee Wai Hon, Chemsir. 歡迎光臨《Chemsir.talking.chemistry》專頁！ 本專頁是一本化學教育雜誌。管理員為一位作風低調的香港化學科老師李偉瀚 Chemsir。 ------------------------------------------------------------------------ 👍Please like, comment and share @chemsir.talking.chemistry and tag your friends. ------------------------------------------------------------------------ 👉Follow @chemsir.talking.chemistry and @chemsir_lee_wai_hon for more chemistry materials. ------------------------------------------------------------------------ 🙏🏻Thank you for your support. Wish you enjoy the page! ------------------------------------------------------------------------ #ChemsirTalkingChemistry #chem #chemistry #science #education #magazine #ChemistryEducation #STEM #STEAM #2020dse #2021dse #2022dse #hkdse #dse #dsefighter #dse2020 #dse2021 #dse2022 #HongKong #HK #Chemsir同你講化學 #Chemsir用全新形式在網上同大家一齊學習化學 #化學 #科學 #教育 #化學教育雜誌 #香港 #Chemsir https://www.instagram.com/p/B1N0GlBFwE7/?igshid=1a0j48r2o1avf

[chemsir-talking-chemistry]

沒甚麼可給你　但求憑這闕歌 謝謝你風雨內　都不退　願陪著我 暫別今天的你　但求憑我愛火 活在你心內　分開也像同渡過 #共同渡過 #張國榮 #哥哥 #林振強 #chemistry #chem #化學 #中六級 #中六 #Form6 #F6 #S6 #2021dse #hkdse #dse #dsefighter #文憑考試 #文憑試 #dse2021 #5** #5星星 #五星星 #全民造星 #ChemsirTalkingChemistry #Chemsir同你講化學 #Chemsir https://www.instagram.com/p/COAsmKuFkat/?igshid=1es41rx20c1jz

[chemsir-talking-chemistry]

[M.C. Challenge] What is the basicity of citric acid? A. 1 B. 2 C. 3 D. 4 🤔 👆Choose the best answer.👆 ------------------------------------------------------------------------ 👍Please like, comment and share @chemsir.talking.chemistry and tag your friends. ------------------------------------------------------------------------ 👉Follow @chemsir.talking.chemistry and @chemsir_lee_wai_hon for more chemistry materials. ------------------------------------------------------------------------ 🙏🏻Thank you for your support. Wish you enjoy the page! ------------------------------------------------------------------------ #ChemsirTalkingChemistry #chem #chemistry #CitricAcid #CarboxylicAcid #OrganicChemistry #WeakAcid #WeakAcids #basicity #chemistrylover #chemistrylovers #chemistryaddict #chemistryaddicts #2021dse #2022dse #2023dse #hkdse #dse #dsefighter #dse2021 #dse2022 #dse2023 #Chemsir同你講化學 #化學 #科學 #檸檬酸 #有機酸 #有機化合物 #弱酸 #Chemsir https://www.instagram.com/p/CLWRJNlh7SZ/?igshid=1l0732hvjkekj

[chemsir-talking-chemistry]

[M.C. Challenge] What is the basicity of ethanoic acid? A. 1 B. 2 C. 3 D. 4 🤔 👆Choose the best answer.👆 ------------------------------------------------------------------------ 👍Please like, comment and share @chemsir.talking.chemistry and tag your friends. ------------------------------------------------------------------------ 👉Follow @chemsir.talking.chemistry and @chemsir_lee_wai_hon for more chemistry materials. ------------------------------------------------------------------------ 🙏🏻Thank you for your support. Wish you enjoy the page! ------------------------------------------------------------------------ #ChemsirTalkingChemistry #chem #chemistry #EthanoicAcid #AceticAcid #CH3COOH #CarboxylicAcid #OrganicChemistry #WeakAcid #WeakAcids #basicity #MonobasicAcid #chemistrylover #chemistrylovers #chemistryaddict #chemistryaddicts #2021dse #2022dse #2023dse #hkdse #dse #dsefighter #dse2021 #dse2022 #dse2023 #Chemsir同你講化學 #化學 #科學 #乙酸 #Chemsir https://www.instagram.com/p/CK8pcNwBOWP/?igshid=1lxp5jnqyor4q

[chemsir-talking-chemistry]

2021 年 Chemsir 再為香港教育界盡一點綿力 學友社與香港電台合辦「奮發時刻 DSE」廣播節目即將展開「各科考試須知」系列 Chemsir 榮幸獲邀為系列頭炮嘉賓講解「化學科考試須知」🧑‍🔬 1 月 23 日星期六晚上 8:00-8:30 香港電台第二台及 rthk.hk 播出 期望透過大氣電波同大家上一節化學課吧😃 如果大家有空，請多多支持🙏🏻 #奮發時刻DSE #學友社 #HokYauClub #HYC #香港電台 #香港電台第二台 #RTHK #RTHK2 #RTHKRadio2 #FM948 #RTHK香港電台 #2021dse #2022dse #2023dse #hkdse #dse #dsefighter #dse2021 #dse2022 #dse2023 #Chemsir同你講化學 #化學 #ChemsirTalkingChemistry #chemistry #chem #Chemsir訪問 #Chemsir做節目 #Chemsir上電台 #傳媒報道Chemsir #Chemsir https://www.instagram.com/p/CKV4Wkolkly/?igshid=grz3m1x580na

[chemsir-talking-chemistry]

Chemsir added an unknown metal to distilled water. After some time, the mixture turned milky. When a piece of red litmus paper was added, it turned blue. What is the unknown metal?🤔 ------------------------------------------------------------------------ 👍Please like, comment and share @chemsir.talking.chemistry and tag your friends. ------------------------------------------------------------------------ 👉Follow @chemsir.talking.chemistry and @chemsir_lee_wai_hon for more chemistry materials. ------------------------------------------------------------------------ 🙏Thank you for your support. Wish you enjoy the page! ------------------------------------------------------------------------ #ChemsirTalkingChemistry #chem #chemistry #science #experiment #DistilledWater #H2O #LitmusPaper #RedLitmusPaper #chemistrylover #chemistrylovers #chemistryaddict #chemistryaddicts #2021dse #2022dse #2023dse #hkdse #dse #dsefighter #dse2021 #dse2022 #dse2023 #Chemsir同你講化學 #化學 #科學 #Chemsir做實驗 #蒸餾水 #石蕊試紙 #紅色石蕊試紙 #Chemsir https://www.instagram.com/p/CHsEVjJBFh6/?igshid=12osv21ez1thg