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list some uses of non metals [at least 10 uses]
what is sonorous?
what are the uses of metals and nonmetals
1. The most reactive metal is
a)Iron b)Gold c) Potassium d) Zinc
2. What happens when aluminium metal is placed in the freshly prepared solution of sodium hydroxide ? What does a "POP" sound indicates , when a burning matchstick is brought near the mouth of the test tube?
uses of 5 metals and non metals in our daily life.
Give 10 examples of non- metals.
copper does not react with dilute hydrochloric acid even on heating but reacts with sulphuric acid . why?
Find out the location of the deposits of iron, alimunium and zinc in india?
Name some common non-metals used in our daily life
What Is Thermite Reaction?
how do metals react with acids? explain through examples.
Fe + O2 + H2O -----> ?
the metal which is not corroded by air, water and acid is (a)gold(b)zinc(c)copper
Why is phosphorus stored under water and sodium and potassium under kerosene?????
Why can't copper displace zinc from its salt solution ?
list of metals with their
name a non-metal that is a good conductor of heat and electricity
which one of the following will displace copper from a solution of copper sulphate? a- al b- Fe c-Mg d- all of these e- non of these
what do u mean by reactivity series of metals?
write the name of four metals and non metals with their physical and chemical propertiesand their uses.
experts or anyone else answer it quickly
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?
compare the properties of metals and non-metals with respect to malleability, ductility and conductivity.
Why are sodium and potassium stored under kerosene Oil.
can u store zinc sulphate solution in a copper vessel ? why ?
give an example of reaction of non metal with bases
Why zinc is more reactive than copper?
why sulphur is used in car tyres and why chlorine is used for bleaching
name a non metal which has metallic lustre.
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
write the reactivity series of metals
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.
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.
i need the symbols of atlaest 20 metals and 20 non metals
the main ones
curd cannot be stored in a aluminium utensil. why?
why immersion rods for heating liquids are made up of metallic substances?????
why lemon pickle is not stored in aluminium utensils
in what form magnesium is found in plants
What are the physical and chemical properties of metals and non-metals?
gold is found in free state but iron is not . Give reason
plz answer today
what is sonority? explain in detail
An oxide solution of which of the following elements will turn blue litmus red?
why are metals used making machinery?
which is best conductor of heat and electricity?
a)gold b)silver c)copper d)aluminium
which metal is used in crackers....
Which non metal is used in vulcanization of rubber and why??
4Fe+3o2+xH2O becomes 2Fe2o3xH2o
I want to know how does the 'x' come in between ....
what is meaning of lusture
why is gold preferred for making jewellery?
I Read That Red Soil Is Acidic In Nature. But I Know That Red Soil Contains Iron Oxide Which Imparts It Red Color
But Iron Oxide Is Basic In Nature As It Is An Oxide Of A Metal.
So My Question Is What Other Materials Are Present That Make It Acidic
Please Help On 29th NSO Is There
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
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..?
Please explain this equation 2Cu+H2O+CO2+O2=Cu(OH)2=CuCO3
Which of the following is used in crackers?
(a) Metals (b) Semi-metals (c) Non-metals (d) All of these.
names of places in india where gold copper and iron mines are located
WHY IS SODIUM KEPT UNDER KEROSENE AND NOT UNDER WATER
what happens when dilute sulphuric acid is poured oon copper plate?
What does POP sound indicate?
give me some poster ideas for the topic `say no to plastics`
Two difference between metal non metal ???
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