Select Board & Class
write a paragraph on 'unity in diversity'
name two gases insoluble in water
What is sonorous property of metal?
name any five objects which can be made from more than one material
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 lusture
what is buoyant force
Why is sugar solluble but sand is not soluble in water? what is the difference in the properties?? please help me
why do we need to group materials
some examples of lustrous material?
items known to you that float on water. Check and see if they will
float on oil or kerosene.
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?
Metals are lustrous but the iron rod used in construction does not shine. Why?
Why do we need to classify the objects?
in what ways is all matter alike?
GIVE ME SOME EXAMPLES OF SOLUBLE AND INSOLUBLE GASES AND LIQUIDS
what is talcum powder. does is dissolve in water?
name any four materials that can be used to make school bags.
why does kerosene not dissolve in water
Name five gases insoluble in water??
Which of the following is an endothermic reaction?
a. formation of curd from milk
b. production of gas when quicklime is added to water
c. opening of a soda bottle with production of gas
d. evaporation of water
Can water cause molecules in a piece of chalk to break apart how can you say this
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.
2) Can water cause molecules in piece of chalk to break apart? How can you say this?
3) Which has greater density-ice or water? How can you say this?
4) Two molecules of a solid are kept some distance apart and the force between them is measured. The solid is then melted to form a liquid. Two molecules of the liquid are now kept the same distance apart and the force between them is measured. Which force will be greater? Explain why.
how can wood float in water i think it's heavyer than water is it hollow??
differenciate between hard and soft material
why is diamond non metal?
is fog and mist transparent, translucent or opaque? why?
will a shoe float or sink. when i did it myself it floated but my teacher says it sinks. what is the correct answer?
what are the advantages of synthetic fibre
Discuss the solubility of solids, liquids and gases in water.
What are sonorous materials?
what does ductile , malleable, sonorous mean?
write five difference between metals and non-metals.
why a ship made up of steel floats in sea water but a needle sink
write five advantages of grouping in classifying material
objects which can be made from wood.
how to make paper translucent..?
Can you explain me Solubiity Of Liquids?
what are conductors and insulators?
Is there some method that we dissolve kerosene in water? and can you tell me the method?
what are the benefits of classification
why do es an empt y cooking gas cylinder feel lighter than a filled cylinder?
In what ways is all matter alike
what are translucent objects
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