【功课】初三科学:CH1 1.1-1.3

【功课】初三科学:CH1 1.1-1.3

8th Grade

10 Qs

quiz-placeholder

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【功课】初三科学:CH1 1.1-1.3

【功课】初三科学:CH1 1.1-1.3

Assessment

Quiz

Science

8th Grade

Medium

Created by

​白佩珊(古晋四中) ​白佩珊(古晋四中)

Used 252+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列物质属于酸的是( )

氢氧化钠

醋酸

食盐

纯碱

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列化合物中,不属于酸的是(


HNO3HNO_3

H2SO4H_2SO_4

H3P04H_3P0_4

Na2CO3Na_2CO_3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

下列食物中,酸性最强的是( )

苹果

葡萄

牛奶

豆浆

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

括号内为一些食物的近似PH,对于胃酸过多的病人,空腹时最宜食用的食物是

苹果(2.9~3.3)

玉米粥(6.8~8.0)

葡萄(3.5~4.5)

牛奶(6.3~6.6)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列物质的水溶液中,滴入酚酞溶液显红色的是( )

食醋

盐酸

稀硫酸

熟石灰

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列物质能使紫色石蕊试液变蓝的是( )

HCl

NaCl

NaOH

H2OH_2O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

二氧化碳溶解在水中形成了哪一种酸?

碳酸

醋酸

柠檬酸

乳酸

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