Ask the AI Tutor
Need help with Mixtures 01? Ask our AI Tutor!
AI Tutor - Lucy
Connecting with Tutor...
Please wait while we establish connection
Need help with this topic? Ask our AI Tutor!
Seawater is a mixture. It is water, salt and other substances mixed together.
Mixtures 01
Mixtures are combinations of substances. In KS3 Science, pupils explore how mixtures differ from pure substances and how they can be separated into their components.
1 .
Which of the following is NOT a mixture?
Coca cola
Crude oil
Methane
Milk
Methane is a compound
2 .
Air is a mixture of different gases. Which list consists of gases present in the air?
Hydrogen, oxygen, carbon dioxide
Nitrogen, hydrogen, carbon dioxide
Nitrogen, oxygen, carbon dioxide
Nitrogen, oxygen, hydrogen
The air is mainly nitrogen
3 .
The best description of a mixture is .......
A lot of substances jumbled together
One substance on its own
Two or more substances added together which can often be easily separated
Two or more substances chemically joined together
If substances are chemically joined together they are much more difficult to separate. Alloys are mixtures that are usually hard to separate
4 .
Which of these substances is a mixture?
Oxygen
Salt
Sea water
Water
Water and salt are compounds, oxygen is an element
5 .
How would you separate a mixture of iron filings and sulfur?
Filter
Use a magnet
Use a sieve
Use tweezers
Sulfur is non-magnetic
6 .
A pure substance has a melting point which is always .......
Higher than its freezing point
Higher than its boiling point
Different
The same
Any sample of a pure substance will have the same melting point as any other sample of the same substance. One sample of a mixture will often have a different melting point to other samples of the same mixture. If the two samples of a mixture have the same concentrations, then they will have very similar melting points
7 .
In a solution made by dissolving a solid in a liquid, the hotter the solvent .......
No more of the soluble solid dissolves
The less the solute dissolves
The quicker the soluble solid dissolves
The slower the solute dissolves
There is more energy at higher temperatures
8 .
The name given to the liquid which dissolves the solid in a solution is .......
Distillate
Saturated
Soluble
Solvent
The solid that has been dissolved is called the solute
9 .
The method used to separate coloured dyes in ink is .......
Chromatography
Distillation
Evaporation
Filtration
Chroma comes from the Greek word for colour, khroma
10 .
Alloys are mixtures of metals. Which is NOT an alloy?
Brass
Bronze
Chromium
Solder
Chromium is an element
**Unlimited Quizzes Await You! 🚀**
Hey there, quiz champ! 🌟 You've already tackled today's free questions.
Ready for more?
Ready for more?
🔓 Unlock UNLIMITED Quizzes and challenge yourself every day. But that's
not all...
not all...
🔥 As a Subscriber you can join our thrilling "Daily Streak" against other
quizzers. Try to win a coveted spot on our Hall of Fame Page.
quizzers. Try to win a coveted spot on our Hall of Fame Page.
Don't miss out! Join us now and keep the fun rolling. 🎉
**Unlimited Quizzes Await You! 🚀**
Hey there, quiz champ! 🌟 You've already tackled today's free questions. Ready for more?
🔓 Unlock UNLIMITED Quizzes and challenge yourself every day. But that's not all...
🔥 As a Subscriber you can join our thrilling "Daily Streak" against other quizzers. Try to win a coveted spot on our Hall of Fame Page.
Don't miss out! Join us now and keep the fun rolling. 🎉
Here To Help
Our Social Circles
© Copyright 2016-2025 - Education Quizzes
Work Innovate Ltd - Design | Development |
Marketing
