Environmental Sciences, asked by kaushikgupta8409, 7 months ago

Ill. Fill in the blanks.

1. Melting of wax is a_____
change.

2. Cooking of food is a_____
change.

3. Two methods by which rusting can be prevented are____
and____

4. When carbon dioxide is passed through lime water, it turns milky due to the formation of_____

5. The chemical name of baking soda is_____

6. Iron benches kept in lawns and gardens get____
It is a_____
change because a new
____is formed.​

Answers

Answered by Karishmapatil2005
4

Answer:

  1. physical
  2. chemical
  3. Galvanization and painting
  4. calcium carbonate
  5. Sodium bicarbonate
  6. rusted, chemical, substance

Explanation:

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Answered by vrinda7618
1

Answer:

physical change

chemical change

galvanisation and by thich layer of paint

oxygen gas

sodium hydrogen carbonate

rusted due to moisture in air

chemical change, substance

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