Podcast
Questions and Answers
What happens if you mix 100 g of salt with 100 g of sand?
What happens if you mix 100 g of salt with 100 g of sand?
- Their total mass becomes less than 200 g
- Their total mass becomes 200 g (correct)
- Their total mass becomes more than 200 g
- Their total mass remains at 100 g
What is a characteristic of a heterogeneous mixture?
What is a characteristic of a heterogeneous mixture?
- The different substances cannot be visually distinguished
- The mixture contains only one type of substance
- The particles settle at different rates (correct)
- The different substances are evenly mixed
How can you visually differentiate between salt and white sand in a mixture?
How can you visually differentiate between salt and white sand in a mixture?
- By tasting them
- By smelling them
- By heating the mixture
- By using a magnifying glass (correct)
What happens when sulfur and iron form a mixture?
What happens when sulfur and iron form a mixture?
What characteristic makes fresh milk a heterogeneous mixture?
What characteristic makes fresh milk a heterogeneous mixture?
What is a mixture?
What is a mixture?
In a mixture, what happens to the properties of the substances when they are mixed?
In a mixture, what happens to the properties of the substances when they are mixed?
How can iron filings and sulfur be separated in a mixture?
How can iron filings and sulfur be separated in a mixture?
What distinguishes a compound from a mixture?
What distinguishes a compound from a mixture?
What happens when iron and sulfur are heated together?
What happens when iron and sulfur are heated together?
What characterizes an external unexpanded mixture?
What characterizes an external unexpanded mixture?
A mixture is a combination of two or more different substances that lose their original properties when mixed together.
A mixture is a combination of two or more different substances that lose their original properties when mixed together.
When iron filings and sulfur are mixed, they can be separated using a magnet due to their different properties.
When iron filings and sulfur are mixed, they can be separated using a magnet due to their different properties.
Iron sulfide, formed when iron and sulfur chemically combine, has similar physical properties to iron and sulfur.
Iron sulfide, formed when iron and sulfur chemically combine, has similar physical properties to iron and sulfur.
An external unexpanded mixture is a type of mixture where materials cannot be distinguished from each other.
An external unexpanded mixture is a type of mixture where materials cannot be distinguished from each other.
Mixtures can always be separated back into their original components.
Mixtures can always be separated back into their original components.
When mixing salt with white sand, the properties of the substances remain unchanged.
When mixing salt with white sand, the properties of the substances remain unchanged.
Iron and sulfur form a mixture that separates easily.
Iron and sulfur form a mixture that separates easily.
When examining a mixture of salt and white sand, they appear different under a magnifying glass.
When examining a mixture of salt and white sand, they appear different under a magnifying glass.
Fresh milk is an example of a homogeneous mixture.
Fresh milk is an example of a homogeneous mixture.
The atmosphere on a clear day contains a homogeneous mixture of clouds and air.
The atmosphere on a clear day contains a homogeneous mixture of clouds and air.
When adding 100 g of salt to 100 g of sand, the total mass remains 200 g due to the law of conservation of mass.
When adding 100 g of salt to 100 g of sand, the total mass remains 200 g due to the law of conservation of mass.
