chemical reaction; process of chemical change
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
process in which substances undergo chemical change to form new substances with different properties, composition, and structure
formalFundamental concept in chemistry describing molecular-level transformation where bonds break and form.
Suān酸
hé和
jiǎn碱
hùn混
hé合
huì会
fā发
shēng生
huà化
xué学
fǎn反
yìng应
。
Mixing acids and bases will cause a chemical reaction.
Rán燃
shāo烧
shì是
yī一
zhǒng种
jù剧
liè烈
de的
huà化
xué学
fǎn反
yìng应
。
Combustion is a violent chemical reaction.
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Zài在
zhè这
ge个
shí实
yàn验
zhōng中
，
wǒ我
men们
kě可
yǐ以
guān观
chá察
dào到
huà化
xué学
fǎn反
yìng应
de的
guò过
chéng程
。
In this experiment, we can observe the process of the chemical reaction.
Huà化
xué学
fǎn反
yìng应
qián前
hòu后
，
yuán原
zǐ子
de的
zhǒng种
lèi类
hé和
shù数
mù目
bǎo保
chí持
bù不
biàn变
。
Before and after a chemical reaction, the types and number of atoms remain unchanged.