

Ujian Penitratan
Interactive Video
•
Science
•
8th Grade
•
Practice Problem
•
Hard
HONG Moe
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah tujuan penitratan?
Untuk memekatkan larutan asid dan alkali
Untuk meneutralkan satu larutan menggunakan larutan lain
Untuk menghasilkan haba daripada campuran bahan kimia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah warna yang ditunjukkan oleh fenolftalein dalam larutan beralkali?
Tidak berwarna
Merah jambu
Biru
Kuning
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah langkah penting untuk memastikan isipadu diukur dengan tepat semasa menggunakan pipet?
Memastikan pipet dipanaskan sebelum digunakan
Membaca paras cecair pada aras mata
Menggoncang pipet sebelum dan selepas digunakan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang berlaku pada takat akhir semasa penitratan?
Asid bertukar menjadi alkali
Asid telah lengkap meneutralkan alkali dan penunjuk bertukar warna
Campuran menjadi sejuk dengan serta-merta
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah isipadu asid hidroklorik yang diperlukan untuk meneutralkan 25ml larutan natrium hidroksida?
24.7 ml
25 ml
6.
OPEN ENDED QUESTION
3 mins • 1 pt
Tulis satu persamaan perkataan bagi tindak balas antara asid dengan alkali dalam aktiviti ini.
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