Question

Which is a mixture?
'a' sodium metal
'b' chlorine gas
'c' sodium metal and chlorine gas
'd' sodium chloride (salt) and water

Answer 1

Answer:

(b) chlorine gas

Explanation:

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Answer 2

Answer:

d. Sodium chloride (salt) + water

Explanation:

• A mixture is made up of two or more substance combined together (combined chemically).
• NaCl (salt) can completely dissolve in water and sodium chlorine (aqueous) is a homogeneous mixture.
• sodium metal when extracted is a soft, silvery white solid.
• chlorine gas is a pure gas.

• sodium metal and chlorine gas are at pure state hence they are not mixture.

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