I. Directions: Write "P" if there is Physical Change happens and "C" if Chemical Change happens.
1. An ice cube was placed in the direct sunlight. Later, puddle of water appeared and gone after a few minutes.
2. Two Chemicals are mixed together and a gas is produce.
3. A bicycle Changes color as it rusts.
4. A solid biscuit crushed to a flour powder.
5. Two substances are mixed and light is produced.
6. A piece of ice melts and reacts with sodium chloride (table salt).
7. Mixing salt and pepper.
8. Chocolate syrup dissolved in fresh milk.
9. A marshmallow is toasted over a campfire.
10. A marshmallow is cut in half
1. An ice cube was placed in the direct sunlight. Later, puddle of water appeared and gone after a few minutes.
2. Two Chemicals are mixed together and a gas is produce.
3. A bicycle Changes color as it rusts.
4. A solid biscuit crushed to a flour powder.
5. Two substances are mixed and light is produced.
6. A piece of ice melts and reacts with sodium chloride (table salt).
7. Mixing salt and pepper.
8. Chocolate syrup dissolved in fresh milk.
9. A marshmallow is toasted over a campfire.
10. A marshmallow is cut in half
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Answers & Comments
2.C
3. P
4. P
5. C
6. C
7. C
8. C
9. P
10. P
occurs in the presence of oxygen and is
irreversible, which is a chemical change.
crushed to powder can be reversed,
it only changes the appearance of the
solid.
substance mix to produce light, the
composition of the two substances
changes, and the change is irreversible.
melting of ice is physical as a change
of state occurs whereas reacting with
sodium is a chemical change as it is
irreversible.
salt and pepper doesn't change their
composition and it is reversible.
composition of milk and chocolate syrup
does not change after devolving.
or cooking is a chemical change, here
toasting of marshmallows.
marshmallows is a physical activity
and it doesn't change the chemical
composition of marshmallows.
1. An ice cube was placed in the direct sunlight. Later, puddle of water appeared and gone after a few minutes.
Answer: P
2. Two Chemicals are mixed together and a gas is produce.
Answer: C
3. A bicycle Changes color as it rusts.
Answer: C
4. A solid biscuit crushed to a flour powder.
Answer: P
5. Two substances are mixed and light is produced.
Answer: C
6. A piece of ice melts and reacts with sodium chloride (table salt).
Answer: C
7. Mixing salt and pepper.
Answer: P
8. Chocolate syrup dissolved in fresh milk.
Answer: C
9. A marshmallow is toasted over a campfire.
Answer: P
10. A marshmallow is cut in half
Answer: P
Explanation:
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