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list some uses of non metals [at least 10 uses]
Rust is a basic or acidic oxide?
what are the uses of metals and nonmetals
what is sonorous?
uses of 5 metals and non metals in our daily life.
the metal which is not corroded by air, water and acid is (a)gold(b)zinc(c)copper
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?
write the name of four metals and non metals with their physical and chemical propertiesand their uses.
experts or anyone else answer it quickly
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?
What Is Thermite Reaction?
Fe + O2 + H2O -----> ?
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.
Why is phosphorus stored under water and sodium and potassium under kerosene?????
why gold is found in free state but iron is not?
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?
compare the properties of metals and non-metals with respect to malleability, ductility and conductivity.
Wht happens when zinc strip is dipped into copper sulphate solution?
give examples of malleable, ductile, sonorous materials
WHY IS SODIUM KEPT UNDER KEROSENE AND NOT UNDER WATER
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.
curd cannot be stored in a aluminium utensil. why?
Why can't copper displace zinc from its salt solution ?
when gold ornaments are sent for polishing they lose small amount of weight.explain how does this happen?
4Fe+3o2+xH2O becomes 2Fe2o3xH2o
I want to know how does the 'x' come in between ....
Why are sodium and potassium stored under kerosene Oil.
which is best conductor of heat and electricity?
a)gold b)silver c)copper d)aluminium
give an example of reaction of non metal with bases
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 zinc is more reactive than copper?
what happens when sulphur burns in the presence of oxygen ? how will you show that the compound formed in this reaction is acidic in nature ??
name a non metal which has metallic lustre.
write the reactivity series of metals
how do metals react with acids? explain through examples.
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.
Describe an activity to show displacement reaction with copper sulphate and iron ?
i need the symbols of atlaest 20 metals and 20 non metals
the main ones
Magnesium ribbon is burned in air?name the powder formed write your observation and chemical reaction
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
what happens when red litmus paper is dipped into mixture of rust in water
why immersion rods for heating liquids are made up of metallic substances?????
how are alloys better than pure metals ?
Which non metal is used in vulcanization of rubber and why??
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
what is meaning of lusture
what is P4H10
why is gold preferred for making jewellery?
Why sodium does not react with kerosene?
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
Which of the following is used in crackers?
(a) Metals (b) Semi-metals (c) Non-metals (d) All of these.
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 is acetic acid written as CH3COOH and not like C2H4O2?i want an experts answer fast.....
Why sodium is kept is kerosene..?
show with the help of an experiment that copper is more reactive than silver.plz giv the ans soon
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
which property of metals make them useful as ringing bell/
give me some poster ideas for the topic `say no to plastics`
Two difference between metal non metal ???
The property by virtue of which metal object produce a ringing sound when struck with a hard object is called _____________.
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