KOMPILASI SOALAN PERCUBAAN SAINS 2022 116 -120

Quiz
•
Science
•
12th Grade
•
Hard
NURUL Moe
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah di bawah ialah graf yang menunjukkan isipadu gas karbon dioksida melawan masa bagi tindak balas antara asid sulfurik dengan ketulan marmar berlebihan.
Berapakah kadar tindak balas purata keseluruhan bagi tindak balas itu?
2.0 cm³s-1
3.0 cm³s-1
4.0 cm³s-1
5.0 cm³s-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mariam menjalankan eksperimen seperti rajah di bawah.
Tindak balas ini mengambil masa 2 saat untuk selesai.
Apakah nilai bagi kadar tidak balasnya?
10 gs-1
18 gs-1
22 gs-1
40 gs-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mangkin ditambah ke dalam suatu tindak balas. Apakah fungsi mangkin dalam tindak halas tersebut?
Melambatkan kadar tindak balas
Menambahkan kuantiti hasil tindak balas
Mempercepatkan kadar tindak balas
Mengurangkan kuantiti hasil tindak balas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah dibawah menunjukkan graf isi padu gas hidrogen melawan masa dalam tindak balas antara zink dan asid hidroklorik
Berdasarkan graf dalam rajah, berapakah kadar tindak balas purata?
0.4 cm sˉ³
0.8 cm sˉ³
1.2 cm sˉ³
2.5 cm sˉ³
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jadual menunjukkan keputusan eksperimen bagi suatu tindak balas antara zink dan asid hidroklorik cair pada 30 °C.
Apakah yang menyebabkan perbezaan masa yang diambil untuk mengumpulkan 30.00 cm³ gas dalam kelalang kon V dan W?
Kepekatan bahan tindak balas
Suhu bahan tindak balas
Saiz bahan tindak balas
Kehadiran mangkin
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