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- Multiple ChoicePlease save your changes before editing any questions.A pure substance that cannot be broken down into other substances by chemical or physical means.compoundatommixtureelement
- Multiple ChoicePlease save your changes before editing any questions.
Which of these is an element?
Salt (NaCl)
Water (H20)
Oxygen (O)
Carbon Dioxide (CO2)
- Multiple ChoicePlease save your changes before editing any questions.
Which of these is a compound?
Aluminium (Al)
Carbon Dioxide (CO2)
Nitrogen (N)
Sand
- Multiple ChoicePlease save your changes before editing any questions.
Which of these is a mixture?
Laundry Detergent
Salt (NaCl)
Oxygen (O)
Fluorine (Fl)
- Multiple ChoicePlease save your changes before editing any questions.
Air is:
An element
A compound
A mixture
None of these
- Multiple ChoicePlease save your changes before editing any questions.What is an example of a mixture?ironicesoilgold
- Multiple ChoicePlease save your changes before editing any questions.
Jorge prepared a drink and salad for dinner. The chart lists the ingredients for both.
Using the information in the chart, which statement is the BEST description of the drink and salad?The salad and fruit drink are both mixtures.The salad and the fruit drink are both solutions.The fruit drink is a mixture because the ingredients can't be separated.The salad is a solution because the ingredients can't be separated. - Multiple ChoicePlease save your changes before editing any questions.
Which of the following is classified as a pure substance?
Lemonade
Fruit punch
ketchup
Helium
- Multiple ChoicePlease save your changes before editing any questions.A mixture that is uniform and well mixed is _____.homogeneoushetergeneouspure substancecompoud
- Multiple ChoicePlease save your changes before editing any questions.The picture shown here is what type of mixture?homogeneoushetergeneouspure substanceelement
- Multiple ChoicePlease save your changes before editing any questions.This diagram represents a _____.pure substance that is a compoundmixture of elementspure substance that is an elementmixture of compounds