英语测试:Science: Chemistry 科学:化学(多项选择)BBC (ZT)
1. The place where scientists carry out their experiments is called a ________.

The possible answers were:
test tube
laboratory
beaker
flask
2. When two or more substances change each other ________ is said to have taken place.

The possible answers were:
a reaction
an atom
a compound
a solvent
3. ________ of water contains hydrogen and oxygen.

The possible answers were:
An acid
An alloy
A Bunsen burner
A molecule
4. A ________ is a liquid containing a dissolved solid.

The possible answers were:
solution
catalyst
gas
particle
5. The periodic table contains all of the ________.

The possible answers were:
formulas
liquids
elements
solids
6. The process of burning can be known as ________.

The possible answers were:
distillation
stirring
saturation
combustion
答案见下
英语测试:Science: Chemistry 科学:化学(多项选择)答案 BBC (ZT)
1. The place where scientists carry out their experiments is called a ________.
laboratory
A laboratory 就是实验室,也可以简称为lab.
2. When two or more substances change each other ________ is said to have taken place.

a reaction
A reaction 这里指化学反应。
3. ________ of water contains hydrogen and oxygen.

A molecule
A molecule 是分子。
4. A ________ is a liquid containing a dissolved solid.

solution
A solution 是溶液的意思。
5. The periodic table contains all of the ________.

elements
Elements 的意思是化学元素。
6. The process of burning can be known as ________.

combustion
Combustion 指化学实验中的燃烧过程。