Question

1.)The metal.............can be cut with knife.
2.)Electroplating prevents from..........​

Answer 1

Answer:

1.) the metal sodium or potassium can be cut with knife.

2.). Electroplating prevents from corrosion.

Answer 2

Required Answers:

1) The metal.............can be cut with knife.

Ans - Sodium and Potassium

• Metals have high intermolecular force of attraction and hence it is difficult to cut them with knife.
• The bonds are difficult to break but exceptions are Sodium and Potassium.
• They are soft and brittle Metals. They can be easily cut with a knife$.$

2) Electroplating prevents from...........

Ans - Corrosion or rusting

• It is process of plating any metal on another metal through electrical process.
• The one which is plated on another is non-corrosive and non-reactive.
• This prevents the contact of corrosive metals to air and water, which saves the metal.
• Iron is electroplated with zinc to protect it from rusting. This process is known as galvanising.

And we are done !!