Ukuran huruf
Lembar kerjaIntroduction to Chemical Reactions
Total soal: 19
Worksheet time: 10mins
True or False
Sodium acetate is the chemical name for baking soda.
True
False
True or False
An aqueous solution is a mixture with water.
True
False
In a chemical reaction, the chemicals at the start of the reaction are called the _____.
products
reactants
starters
compounds
In a chemical reaction, the chemicals that are made at the end of the reaction are called the _____.
reactants
products
starters
enders
The chemical formula for baking soda is _____.
NaHCO3
CH3COOH
H2O
CO2
The chemical name for vinegar is _____.
sodium bicarbonate
carbon dioxide
acetic acid
sodium acetate
The chemical formula for vinegar is ______.
NaHCO3
CH3COOH
CO2
H2O
The reactants in "The Exploding Lunch Bag" are ______ and _____. Select 2 answers.
sodium bicarbonate
sodium acetate
carbon dioxide
acetic acid
The products in the chemical reaction in "The Exploding Lunch Bag" experiment are _____, ____, and ____. More than one answer is correct.
sodium acetate
sodium chloride
water
carbon dioxide
A _____ is a chemical change when reactants change to become different products.
chemical change
chemical reaction
chemical equation
chemistry
True or False
Chemical equations use symbols and formulas to represent chemical reactions.
True
False
In a chemical equation, (s) represents a(n) _____.
solid
liquid
gas
aqueous solution
In a chemical equation, (l) represents a(n) _____.
solid
liquid
gas
aqueous solution
In a chemical equation, (g) represents a(n) _____.
solid
liquid
gas
aqueous solution
In a chemical equation, (aq) represents a(n) _____.
solid
liquid
gas
aqueous solution
In a chemical equation, the arrow ( → ) means ______. More than one answer may be right.
plus
reacts with
becomes
yields
In a chemical equation, the + means ______. More than one answer may be right.
plus
reacts with
becomes
yields
A _______ represents a chemical reaction.
chemical symbol
chemical formula
chemical equation
chemical reactant
True or False
An aqueous solution is a mixture of chemicals with oil.
True
False
