MR Word Equations

Front

What is a word equation in chemistry?

Back

A word equation is a way of representing a chemical reaction using the names of the reactants and products instead of chemical formulas.

Front

What does the symbol '→' represent in a chemical equation?

Back

The symbol '→' indicates the direction of the reaction, showing that reactants are transformed into products.

Front

What is the product of the reaction between sodium and chlorine?

Back

Sodium chloride (NaCl) is the product formed when sodium reacts with chlorine.

Front

What is the state of matter for solid magnesium oxide?

Back

Solid magnesium oxide is in the solid state.

Front

What is a precipitate in a chemical reaction?

Back

A precipitate is an insoluble solid that forms when two solutions react.

Front

What is the balanced equation for the reaction of silver nitrate and potassium chromate?

Back

2AgNO₃ + K₂CrO₄ → Ag₂CrO₄ + 2KNO₃.

Front

What does 'aqueous' mean in a chemical context?

Back

Aqueous refers to a solution in which water is the solvent.

Front

What is the significance of balancing chemical equations?

Back

Balancing chemical equations ensures that the law of conservation of mass is obeyed, meaning the number of atoms of each element is the same on both sides of the equation.

Front

What is the chemical formula for sodium chloride?

Back

The chemical formula for sodium chloride is NaCl.

Front

What is the role of oxygen in combustion reactions?

Back

Oxygen acts as an oxidizing agent, allowing substances to combust and produce energy.