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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.
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.
Give 10 examples of non- 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
Find out the location of the deposits of iron, alimunium and zinc in india?
What Is Thermite Reaction?
write the name of four metals and non metals with their physical and chemical propertiesand their uses.
experts or anyone else answer it quickly
Fe + O2 + H2O -----> ?
Silver is more likely to tarnish near a petroleum refinery than in a place far away . Explain why?
Why is phosphorus stored under water and sodium and potassium under kerosene?????
4Fe+3o2+xH2O becomes 2Fe2o3xH2o
I want to know how does the 'x' come in between ....
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?
what is the latin name of platinum
Wht happens when zinc strip is dipped into copper sulphate solution?
Property of metals which make them useful as electric wires/
give examples of malleable, ductile, sonorous materials
why gold is found in free state but iron is not?
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.
Do non-metals liberate hydrogen gas from dilute acid?
Rust is a basic or acidic oxide?
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
when gold ornaments are sent for polishing they lose small amount of weight.explain how does this happen?
Why is the coil of a heating element of a heater made from a metal?
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?
name a non metal which has metallic lustre.
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.
20. Which metal is present in the human body in greater percentage ?
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 ?
A metal was burnt in air. The substance formed was dissolved in water and tested with blue and red litmus paper. What result can we expect ?
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
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?
Describe an activity to show displacement reaction with copper sulphate and iron ?
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?????
If you are an engineer constructing a multi-storey building, which alloy would you be extensively using and why?
Which non metal is used in vulcanization of rubber and why??
what is meaning of lusture
why is gold preferred for making jewellery?
how do metals react with acids? explain through examples.
the metal which is not corroded by air, water and acid is (a)gold(b)zinc(c)copper
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
what happens when dilute sulphuric acid is poured oon copper plate?
names of places in india where gold copper and iron mines are located
what are elements? how are they broadly grouped?
WHY IS SODIUM KEPT UNDER KEROSENE AND NOT UNDER WATER
give me some poster ideas for the topic `say no to plastics`
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
Two difference between metal non metal ???
aluminium is above iron in the reactivity series. however its reactions with oxygen and water appear to show that it is less reactive than iron. explain.
what are metalloids? give two examples.
why are metals used making machinery?
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