Q6.Paheli bought a statue made up of copper. To her surprise, it acquired a dull green coating after a couple of months. Explain the reason.Q7. It is difficult to cut cloth using a pair of scissors with blunt blades. Explain.

Q6.Paheli bought a statue made up of copper. To her surprise, it acqui

1.	Q6.Paheli bought a statue made up of copper. To her surprise, it acquired a dull green coating after a couple of months. Explain the reason.Q7. It is difficult to cut cloth using a pair of scissors with blunt blades. Explain.
Answer» tion:Q6 It acquired a DULL green coating because when a substance made up of copper come s in contact with air it TURS dark or dull greenQ7Because preassure decreases with increase in area and contact. THEREFORE, it is difficult to cut CLOTH using pair of blunt SCISSORS.