4 Physical Science questions please help 10points ?
1. Which of the following is a mixture?
A) carbon dioxide
B) silicon
C) silicon dioxide
D) sand
2. Which of the following is a heterogeneous mixture? (1 point)
A) water in a swimming pool
B) sugar water
C) a jar of mixed nuts
D) stainless steel
3. A material that is malleable and conducts electricity is most likely
A) wood.
B) ice.
C) a metal.
D) motor oil.
4. Which of the following is a physical change?
A) sawing a piece of wood in half
B) burning a piece of wood
C) rust forming on an iron fence
D) a copper roof changing color from red to green
1.) C
2.) C
3.) C
4.) A
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1.) C
2.) C
3.) C
4.) A
References :