Mixtures Quiz For Grade 7 Student

11 Questions | By Agist522 | Last updated: Jul 13, 2022 | Total Attempts: 1325

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Mixtures Quiz For Grade 7 Student - Quiz

Grade 7 mixtures

Questions and Answers

1.

Another name for homogeneous is
- A.
  
  Solution
- B.
  
  Solvent
- C.
  
  Solute
- D.
  
  Saline
2.

To separate a mixture of sand and iron it is easiest to use
- A.
  
  Floating
- B.
  
  Picking them out
- C.
  
  A magnet
- D.
  
  Filter with filter paper
3.

Solutions are made of at least 2 parts called
- A.
  
  Solution and solute
- B.
  
  Solute and solvent
- C.
  
  Solvent and saline
- D.
  
  Solution and solvent
4.

I'm making soup for lunch. Which would be faster, rock salt or regular table salt?
- A.
  
  Rock salt
- B.
  
  Table salt
5.

What else can I do to make the salt in my soup dissolve faster?
- A.
  
  Add a lot of table salt
- B.
  
  Stir
- C.
  
  Add heat
- D.
  
  Let it sit
6.

Which of the following are homogeneous mixtures?
- A.
  
  Water
- B.
  
  Rocky road ice cream
- C.
  
  Shampoo
- D.
  
  Oatmeal
7.

Which of the following are mechanical mixtures?
- A.
  
  Chocolate bar with almonds
- B.
  
  Chocolate milk
- C.
  
  Flat pop
- D.
  
  Orange juice with pulp
8.

What happens when you try to make a solution of salt and oil?
- A.
  
  It becomes a homogeneous solution, the salt dissolves into the oil
- B.
  
  It becomes a heterogeneous mixture, the salt doesn't dissovle into the oil
- C.
  
  The oil can only dissolve a little bit of salt
9.

To separate a solution of black pepper and salt...
- A.
  
  Add water to collect the pepper
- B.
  
  Pick out the pepper from salt by hand
- C.
  
  Add water, filter out the pepper, boil off the water to get salt
- D.
  
  Add water, filter out the salt, boil off the water to get the pepper
10.

A mixture is ...
- A.
  
  A pure substancae
- B.
  
  Two or more substances mixed together
11.

Mixtures can be classified into 2 types, homogeneous and heterogenous. They are different because
- A.
  
  Heterogenous has 2 substances. Homogenous has 3 or more substances
- B.
  
  Homogeneous looks the same throughout, with heterogenous you can see the different parts
- C.
  
  Heterogeneous looks the same throughout, with homogeneous you can see the different parts
- D.
  
  They are the same, just different names