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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
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.
uses of 5 metals and non metals in our daily life.
Rust is a basic or acidic oxide?
Give 10 examples of non- metals.
Why Is NaCl Called Rock Salt
Find out the location of the deposits of iron, alimunium and zinc in india?
in what form magnesium is found in plants
Why sodium does not react with kerosene?
What Is Thermite Reaction?
copper does not react with dilute hydrochloric acid even on heating but reacts with sulphuric acid . why?
Fe + O2 + H2O -----> ?
Why is phosphorus stored under water and sodium and potassium under kerosene?????
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?
list of metals with their
compare the properties of metals and non-metals with respect to malleability, ductility and conductivity.
name a non-metal that is a good conductor of heat and electricity
the metal which is not corroded by air, water and acid is (a)gold(b)zinc(c)copper
what do u mean by reactivity series of metals?
why gold is found in free state but iron is not?
Wht happens when zinc strip is dipped into copper sulphate solution?
write the name of four metals and non metals with their physical and chemical propertiesand their uses.
experts or anyone else answer it quickly
give examples of malleable, ductile, sonorous materials
A student burnt a metal ‘A’ found in the form of ribbon. The ribbon burnt with a dazzling flame & a white powder B is formed which is basic in nature. Identify ‘A’ & ‘B’. Write the balanced chemical equation.
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.
which is best conductor of heat and electricity?
a)gold b)silver c)copper d)aluminium
gold is found in free state but iron is not . Give reason
plz answer today
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
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
Why can't copper displace zinc from its salt solution ?
Why zinc is more reactive than copper?
name a non metal which has metallic lustre.
Name the non-metal which is used to purify water ??
write the reactivity series of metals
a. Zinc + lead nitrate solution
b. Iron + zinc sulphate solution
c. Lead + copper nitrate solution
d. Magnesium + Silver nitrate solution
e. Copper + potassium chloride solution
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.
can u store zinc sulphate solution in a copper vessel ? why ?
i need the symbols of atlaest 20 metals and 20 non metals
the main ones
4Fe+3o2+xH2O becomes 2Fe2o3xH2o
I want to know how does the 'x' come in between ....
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
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
why immersion rods for heating liquids are made up of metallic substances?????
how does vegetation helps to conserve water?
Which non metal is used in vulcanization of rubber and why??
what is meaning of lusture
curd cannot be stored in a aluminium utensil. why?
why is gold preferred for making jewellery?
Suppose copper is high up in the reactivity series.Would it still have been such a useful metal ? Give reasons .
how do metals react with acids? explain through examples.
Arrange these metals in order of increasing reactivity
Zn, Al, Cu, Fe, Mg, Na
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.
what is P4H10
Why sodium is kept is kerosene..?
Please explain this equation 2Cu+H2O+CO2+O2=Cu(OH)2=CuCO3
what happens when dilute sulphuric acid is poured oon copper plate?
names of places in india where gold copper and iron mines are located
Describe an activity to show displacement reaction with copper sulphate and iron ?
WHY IS SODIUM KEPT UNDER KEROSENE AND NOT UNDER WATER
give me some poster ideas for the topic `say no to plastics`
how will carbon react with oxygen? what happens when the product is dissolved in water?
show along with equations. !!
Two difference between metal non metal ???
what are metalloids? give two examples.
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
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