Potions & Poisons

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include cutting, bending, or dissolving.

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What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. It involves a chemical reaction and changes the chemical composition of the substance. Examples include burning, rusting, and cooking.

Front

What happens when iron rusts?

Back

When iron rusts, it undergoes a chemical change where it reacts with oxygen and moisture in the air to form iron oxide, commonly known as rust.

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What is the definition of a poison?

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A poison is a substance that can cause harm or death to living organisms when introduced in sufficient quantities.

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What is Hemlock?

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Hemlock is a highly toxic plant that contains alkaloids, which can cause respiratory failure and death if ingested.

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What is the difference between a venomous snake and a poisonous snake?

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A venomous snake injects venom through bites, while a poisonous snake is harmful when consumed or touched.

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What is the role of a catalyst in a chemical reaction?

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A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process.

Front

What is the significance of the pH scale in chemistry?

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The pH scale measures the acidity or alkalinity of a solution, ranging from 0 (acidic) to 14 (basic), with 7 being neutral.

Front

What is a common example of a physical change in cooking?

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Chopping vegetables is a common example of a physical change in cooking, as it alters the size and shape but not the chemical composition.

Front

What is rust?

Back

Rust is a reddish-brown oxide formed when iron reacts with oxygen and moisture, indicating a chemical change.