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list some uses of non metals [at least 10 uses]
what are the uses of metals and nonmetals
uses of 5 metals and non metals in our daily life.
Give 10 examples of non- metals.
Find out the location of the deposits of iron, alimunium and zinc in india?
What Is Thermite Reaction?
Fe + O2 + H2O -----> ?
Why is phosphorus stored under water and sodium and potassium under kerosene?????
list of metals with their
name a non-metal that is a good conductor of heat and electricity
what do u mean by reactivity series of metals?
Wht happens when zinc strip is dipped into copper sulphate solution?
give examples of malleable, ductile, sonorous materials
Q.1. can you store lemon pickle in an aluminium utensil?explain
Q2. give reasons for the following.
a. aluminium foils are used to wrap food items.
b.immersions rods for heating liquid are made up of metalic substance.
c. copper cannot displace zinc from its salt solution.
d.sodium and potasium are stored in kerosene.
why gold is found in free state but iron is not?
Rust is a basic or acidic oxide?
when gold ornaments are sent for polishing they lose small amount of weight.explain how does this happen?
Why are sodium and potassium stored under kerosene Oil.
give an example of reaction of non metal with bases
copper does not react with dilute hydrochloric acid even on heating but reacts with sulphuric acid . why?
Why zinc is more reactive than copper?
write the reactivity series of metals
name a non metal which has metallic lustre.
Prepare Index cards for any four metals and four non-metals. The card should have information like name of metal/non metal;It's physical properties ,chemical properties and it's uses.
i need the symbols of atlaest 20 metals and 20 non metals
the main ones
Why can't copper displace zinc from its salt solution ?
why lemon pickle is not stored in aluminium utensils
What are the physical and chemical properties of metals and non-metals?
what is sonority? explain in detail
which is best conductor of heat and electricity?
a)gold b)silver c)copper d)aluminium
why immersion rods for heating liquids are made up of metallic substances?????
Which non metal is used in vulcanization of rubber and why??
what is meaning of lusture
why is gold preferred for making jewellery?
A compound `X` is used for drinking, has pH =7.Its acidified solution undergoes decomposition in presence of electricity to produce gases `Y` and `Z` The volume of Y is double than Z. Y is highly combustible whereas Z is supporter of combustion .Identify X, Y & Z and writes thechemical reactions involved.
how do metals react with acids? explain through examples.
Please explain this equation 2Cu+H2O+CO2+O2=Cu(OH)2=CuCO3
How to prepare Index card on 4 metals and 4 non-matals with the information like name of matals/nonmatals , its physical properties , chemical properties and uses ???????????
please tell faster
Prepare imdex cards for any four metals and non-metals. The card should have information like name of the matal/non-metal, its physical properties, chemical properties and uses.
Why sodium is kept is kerosene..?
names of places in india where gold copper and iron mines are located
what happens when dilute sulphuric acid is poured oon copper plate?
WHY IS SODIUM KEPT UNDER KEROSENE AND NOT UNDER WATER
is plastic a non metal? if no, then why not? if yes, then why is it written in the column " properties of non-metals " that all non- metals are soft and can be easily broken? i need a perfect explanation
give me some poster ideas for the topic `say no to plastics`
Two difference between metal non metal ???
what are metalloids? give two examples.
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