Chemistry Match it Set 34

Chemistry Match it Set 34

1.
1. Burning of paper        a. Desirable change
2. Rusting of iron           b. Reversible change
3. Melting of ice             c. Slow change
4. Ripening of fruits       d. fast change
Ans: 1-d,2-c,3-b,4-a
 
2.
1. Melting of Gold                      a. Reversible change
2. Melting of Tar                        b. Irreversible change
3. The batter from Idly or dosa   c. Undesirable change
4. Eruption of volcano                d. Reversible change
Ans: 1-a,2-d,3-b,4-c