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POTU just finished solving your NCERT Textbook Questions. Check them out here
write a paragraph on 'unity in diversity'
What is sonorous property of metal?
why do we need to group materials
the things which float in water will they float in oil or kerosene also
why some metal loses their shine and apperance dull ?
what is buoyant force
Why do we need to classify the objects?
items known to you that float on water. Check and see if they will
float on oil or kerosene.
some examples of lustrous material?
Metals are lustrous but the iron rod used in construction does not shine. Why?
why does kerosene not dissolve in water
in what ways is all matter alike?
name any four materials that can be used to make school bags.
are human beings opaque or translucent?
If there are opaque, why does the torch light pass through our palm when we cover the glass of a torch?
Name five gases insoluble in water??
is fog and mist transparent, translucent or opaque? why?
Define density. How is it related to floating and sinking in water?
Hots Questions: Think and answer :
1) You want to take a tumbler to a picnic. You want to crush and throw away the tumbler after use. Name two materials from which such a tumbler can be made.
What is lusture