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WorksheetsChemical activity of metals
Total questions: 10
Worksheet time: 5mins
Sodium is kept under kerosene surface .
because it is highly reactive
because its really soft
Most metals are solid at room temperature
False
True
Chemical or Physical:
A characteristic of matter that can only be observed when matter is changed into a new kind of matter.
Chemical
Physical
Sodium and potassium are highly reactive .
yes
no
Chemical or Physical:
Color, shape, texture, and luster are all examples of _______________ properties of matter.
Chemical
Physical
How does rust form?
Through paint flaking off of a metal surface
Through a chemical reaction between iron and oxygen
Through weathering
Through the physical mixing of iron and water
Which of the following metals will react the slowest with oxygen?
Copper
potassium
sodium
Are metals good conductors?
No
Yes
