Download App

The World of Metals and Non-metals — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceThe World of Metals and Non-metals1 Mark
MCQ
The green coating on copper utensils is due to:
  • ✓
    Corrosion
  • B
    Galvanisation
  • C
    Polishing
  • D
    Heating
✓

Answer

Correct option: A.
Corrosion
A

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ (1 Marks)" from The World of Metals and Non-metals→The World of Metals and Non-metals — all question types→Science STD 7 question papers→Gujarat Board STD 7 question papers→Gujarat Board question paper generator→

Similar questions

Elephant hais:
→
$.........$ helps us announce a cyclone alert.
→
Name one device that uses an electromagnet.
→
The word acid comes from the Latin word 'acere' which means:
→
Which of the following is a chemical change?
→
Image formed by a plane mirror is:
→
Water pollution is caused due to:
→
A person placed his fingers of the right hand on the inner side of his left wrist. He felt some throbbing movements. This throbbing movement is known as _________________ and it occurs _________________
→
What is formed when carbon dioxide is passed through lime water?
→
Which of the following is a type of heterotroph?
→