TINDAKAN ASID DAN ALKALI TERHADAP LATEKS

TINDAKAN ASID DAN ALKALI TERHADAP LATEKS

9th - 12th Grade

15 Qs

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TINDAKAN ASID DAN ALKALI TERHADAP LATEKS

TINDAKAN ASID DAN ALKALI TERHADAP LATEKS

Assessment

Quiz

Science

9th - 12th Grade

Practice Problem

Medium

Created by

Thogeswari Thirunavukarsu

Used 7+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Susu getah asli atau disebut ............. didapati apabila batang pokok getah ditoreh

Lateks


neoprena


isoprena


tiada jawapan

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Di dalam susu getah, molekul-molekul getah berbentuk rantai diselaputi oleh satu lapisan membran protein yang bercas positif menyebabkan ianya kekal dalam bentuk cecair

BETUL


SALAH

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apabila asid ditambah ke dalam lateks, ion-ion hidrogen yang bercas positif daripada asid akan meneutralkan cas negatif pada permukaan membran protein

BETUL


SALAH

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Susu getah akan menggumpal akibat daripada tindakan bakteria yang menghasilkan ...................dan meneutralkan membran protein molekul getah

ASID


NEUTRAL


ALKALI

CECAIR

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apabila ............ ditambah ke dalam lateks, ion-ion hidroksida daripada ............ akan meneutralkan ion hidrogen daripada asid

ALKALI,ALKALI

ASID,ALKALI

ALKALI,ASID


ASID,ASID

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tanpa asid, cas-cas negatif kekal pada membran protein dan molekul getah tetap menolak antara satu sama lain dan tidak berlanggar

BETUL

SALAH

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apakah kesan asid terhadap lateks?


Menyebabkan lateks bergumpal

Menyebabkan lateks lebih keras


Mengekalkan keadaan lateks

Menyebabkan lateks lebih tahan haba

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