Chemistry, asked by chandedipti21, 20 days ago

Match the items of column-I to those of column –II. column-I column-II (i) Burning of Magnesium (P) Tincture iodine (ii) Melting of ICE (Q) Chemical change (iii) Solution (R) Emulsion (iv) Milk(colloid) (S) ) Physical change​

Answers

Answered by Unicorn2007
4

Answer:

(i) - Q, (ii)- S, (iii)- P, (iv)- R

Explanation:

Burning of magnesium is a chemical reaction as magnesium combines chemically with oxygen to form magnesium oxide.

Melting of ice is physical change.(no new product formed)

Tincture of iodine is a solution of iodine and alcohol.

Milk is an Emulsion.( liquid in liquid- type colloid)

Hope it helps!!

Answered by Anonymous
0

The correct match is given below -

(i) Burning of Magnesium (Q) Chemical change

(ii) Melting of ICE (S) Physical change

(iii) Solution (P) Tincture iodine

(iv) Milk(colloid) (R) Emulsion

  • Physical change is associated with changes in the physical properties of object. Here reversible changes take place and the composition remains the same.
  • Chemical changes involve the production of new products with different compositions. They are irreversible.
  • The emulsion is the mixing of two or more than two liquids that are not soluble with each other.
  • The solution is a homogenous mixture comprised of two or more than two substances.
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