Please select a subject first
Advertisements
Advertisements
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
Concept: undefined >> undefined
Consider the statement given below and choose the correct option.
Assertion: Iron filings are concentrated more at the magnetic poles.
Reason: The magnets are so sharp.
Concept: undefined >> undefined
Advertisements
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
Concept: undefined >> undefined
Why it is not advisable to slide a magnet on an iron bar back and forth during magnetising it?
Concept: undefined >> undefined
Thamizh Dharaga and Sangamithirai were playing with a bar magnet. They put the magnet down and it broke into four pieces. How many poles will be there?
Concept: undefined >> undefined
Which one of the following element name is not derived from planet?
Concept: undefined >> undefined
Why photosynthesis is a chemical reaction?
Concept: undefined >> undefined
Which of the following statements made by Dalton has not undergone any change?
Concept: undefined >> undefined
In all atoms of an element
Concept: undefined >> undefined
______ is the smallest particle of an element.
Concept: undefined >> undefined
An element is composed of ______ atoms.
Concept: undefined >> undefined
Define the term ions or radicals.
Concept: undefined >> undefined
The boiling point of water is ______
Concept: undefined >> undefined
Give a reason for the following.
Alum is added to water in sedimentation tanks.
Concept: undefined >> undefined
Give a reason for the following.
Ice floats on water.
Concept: undefined >> undefined
Magnesium hydroxides are used for treating _______
Concept: undefined >> undefined
Write any four physical properties of acids.
Concept: undefined >> undefined
Floridian starch is a reserve food material of
Concept: undefined >> undefined
