Base

Base

8th Grade

5 Qs

quiz-placeholder

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Base

Base

Assessment

Quiz

Science

8th Grade

Hard

Created by

Mai Heo

Used 2+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dãy các base làm phenolphtalein hoá hồng

NaOH; Ca(OH)2; KOH

NaOH; Ca(OH)2; Zn(OH)2

Ba(OH)2; KOH; Al(OH)3

Ba(OH)2; Ca(OH)2; Fe(OH)3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trong các base dưới đây, base nào tan tốt trong nước?

Fe(OH)3.

KOH.

Fe(OH)2.

Cu(OH)2.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dung dịch nào sau đây làm phenolphthalein chuyển sang màu hồng?

NaOH, KOH, Ca(OH)2.

HCl, NaCl, NaOH.

HNO3, Ba(OH)2, NaOH.

H2SO4, Ca(OH)2, KOH.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sodium hydroxide công thức là ?

NOH

NaOH

Ba(OH)2

KOH.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tên gọi của Mg(OH)2

Potassium hydroxide.

Calcium hydroxide.

Magnesium hydroxide.

Aluminium hydroxide.