Science

11th

grade

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Sains PT3 Bab 4 Siri Kereaktifan Logam (Part 3)

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Select reactions are always performed for different types of metals in the school laboratory.

    Pilih tindakbalas yag selalu dijalankan bagi pelbagai jenis logam di dalam makmal sekolah.

    Oxygen / Oksigen

    Water/ Air

    Dilute Acid/Asid Cair

    Hidrogen/ NItrogen

  • 2. Multiple Choice
    30 seconds
    1 pt

    The list below shows few types of metal.Which of the following shows the reactivity of metals with water in ascending order?

    Senarai berikut menunjukkan beberapa jenis logam.Antara yang berikut, manakah menunjukkan kereaktifan logam tersebut dengan air mengikut tertib menaik?


    Sodium/Natrium Magnesium/Magnesium Calcium/Kalsium Copper/Kuprum

    Sodium → Copper → Calcium → Magnesium

    Natrium Kuprum Kalsium Magnesium

    Copper → Calcium → Magnesium → Sodium

    Kuprum Kalsium Magnesium Natrium

    Copper → Magnesium → Calcium → Sodium

    Kuprum Magnesium Kalsium Natrium

    Calcium → Sodium → Magnesium → Copper

    Kalsium Natrium Magnesium Kuprum

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    Diagram above shows an experimental set-up. Table 1 shows the results obtained when metals S, T and U are heated.What is the correct arrangement of the reactivity of metals in descending order?

    Rajah diatas menunjukkan satu susunan eksperimen.Jadual 1 menunjukkan keputusan yang diperoleh apabila logam S, T, dan U dipanaskan.Apakah susunan yang betul tentang kereaktifan logam dalam tertib menurun?


    Metalic powder Result

    Serbuk logam Keputusan

    S Burns with bright flame

    Terbakar dengan nyalaan terang

    T Glows with red colour

    Membara dengan warna merah


    U Burns with a white bright flame

    Terbakar dengan nyalaan putih berkilauan

    TSU

    UST

    TUS

    UTS

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