
初一上册 第2章
Authored by Sheng Hao Tan
Science
7th Grade
Used 11+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些行为是不符合实验室的安全守则?
不在实验中嬉闹玩耍
遵守老师的指导进行实验
用舌头尝试实验室中的药品
实验后,把实验器具洗净,并放回指定的地方
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一项的操作过程是正确的?
用药匙小心地把粉状药品放入试管中
加热试管内的液体,可直接内望管口
验某化学药品的酸硷性,可用舌头去尝
当试管在加热时,液体不可超过其容量的二分之一
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一些仪器可用来测量液体体积?
I. 量筒 II. 烧杯 III. 蒸发皿 IV.锥形瓶
I, II
I, III
II, III
III, IV
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
魏文进行实验时不小心被化学剂灼伤手臂,此意外发生的因素可能是
I. 化学剂没盖好 II. 没读清楚危险警告标示
III. 化学剂使用期限已过期 IV. 没使用恰当的器材取出化学剂
I,II
II,III
I,IV
III,IV
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
实验室取用一定体积的液体时,应选用下列哪种实验室器材?
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列器材中,适合用来进行加热的是
I. 量筒 II. 烧杯 III. 滴管 IV.锥形瓶
I、II
I、III
II、III
II、IV
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某学生须准确地量取15cm3 的蒸馏水。他应该使用以下哪一种器材?
量筒
试管
锥形瓶
蒸发皿
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