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༆___⫷ᴘᴀ ᴀɴsᴡᴇʀ⫸___༆
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☛ʀᴇᴘᴏʀᴛ☚
• Rude Answer=ʀᴇᴘᴏʀᴛ
• Wrong Answer=ʀᴇᴘᴏʀᴛ
• ɴᴏɴsᴇɴs=ʀᴇᴘᴏʀᴛ
• ɪɴᴄᴏᴍᴘʟᴇᴛᴇ=ʀᴇᴘᴏʀᴛ
➽ʙʀᴀɪɴʟɪᴇsᴛ➽
• Perfect Answer=ʙʀᴀɪɴʟɪᴇsᴛ
• ᴄᴏʀʀᴇᴄᴛ Answer =ʙʀᴀɪɴʟɪᴇsᴛ
• ᴄᴏᴍᴘlᴇte Answer=ʙʀᴀɪɴʟɪᴇsᴛ​​​


6.) Which one is the best way to determine whether an unknown sample is a substance or a mixture?
a. knowing it's density .
b. tasting the given sample.
c. observing it's physical appearance.
d. testing it's melting and boiling point.

7.) Which is NOT a technique to separate components of mixture?
a. condensation
b. distillation
c. evaporation
d. filtration

8.) Sodium chloride dissolves in water very well. Which is NOT TRUE in the following statements?
a. water is a pure substance.
b. sodium chloride is a pure substance.
c. dissolving sodium chloride with water produces a mixture.
d. dissolving sodium chloride with water produces a new substance.

9.) Which of the following is a heterogeneous mixture?
a. air
b. oil in water
c. stainless steel
d. soft drink

btw good morning guys!<3​