Download App

Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
Which is a method to prevent rust?
  • A
    Crystallization
  • B
    Sedimentation
  • ✓
    Galvanisation
  • D
    None of these
✓

Answer

Correct option: C.
Galvanisation
Galvanization is a method to prevent rust. The galvanization is a process of application of zinc coating on the iron and steel objects.

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 Physical and Chemical Changes→Physical and Chemical Changes — all question types→Science STD 7 question papers→Gujarat Board STD 7 question papers→Gujarat Board question paper generator→

Similar questions

Which plant bears spiny seeds with hooks to be dispersed by animals?
→
Seepage of water is minimum in:
→
Blood platelets are responsible for:
→
An image which cannot be obtained on a screen is called:
→
The term reflection refers to the bending of light rays:
→
Urea is a waste produced in the process of the breaking down of:
→
A horse pulling a cart has:
→
Which part of India experiences least variation in seasons?
→
Which of the following is/are products of wastewater treatment?
→
The pointed teeth in the buccal cavity are called:
→