Question

1. Classify the following
chemical or physical changes
Durii
distinguish these?
uestions
• cutting of trees
• melting of butter in a pan
• rusting of alminah
• boiling of water to form stea
. passing of electric curre
through water and the wood
brealing down into hydroge
and oxygen gases.
• dissolving common salt
toater:
making a fruit salad with
fruits, and
• burning of paper and wood.
2. Try segregating the things
around you as pure substances
or mixtures.
SCE​

Answer 1

Answer:

#cutting of trees= physical'

#melting of butter= physical

#rusting of almirah= chemical

#boiling of water to form steam= physical

#passing of electric current

through water and the wood

breaking down into hydroge n

and oxygen gases.= chemical change

#dissolving common salt= physical

#making fruit salad= physical

#burning paper and wood= chemical

Explanation:

Physical changes only change the appearance of a substance, not its chemical composition.

Chemical changes cause a substance to change into an entirely substance with a new chemical formula

hope this helps

Answer 2

Answer:

• cutting of tree physical
• physical melting of butter
• rusting almorah chemical
• physical boiling...
• passing current ... chemical
• dissolve.... physical
• making fruit .... physical
• burning paper chemicals
• trying. .... chemical

Explanation:

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