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list some uses of non metals [at least 10 uses]
the metal which is not corroded by air, water and acid is (a)gold(b)zinc(c)copper
what are the uses of metals and nonmetals
uses of 5 metals and non metals in our daily life.
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?
Give 10 examples of non- metals.
what is sonorous?
Find out the location of the deposits of iron, alimunium and zinc in india?
compare the properties of metals and non-metals with respect to malleability, ductility and conductivity.
a doctor diagnosed a patient with iron deficiency and gave him tablets containing iron. but the tablets were not hard and did not look like iron at all. what do you think the tablets contained
What Is Thermite Reaction?
how do metals react with acids? explain through examples.
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?????
Why can't copper displace zinc from its salt solution ?
Name some common non-metals used in our daily life
list of metals with their
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
name a non-metal that is a good conductor of heat and electricity
Why is the coil of a heating element of a heater made from a metal?
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?
copper does not react with dilute hydrochloric acid even on heating but reacts with sulphuric acid . why?
give examples of malleable, ductile, sonorous materials
what precautions we should have to take while handling the equipments containing mercury?
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
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 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.
Suppose copper is high up in the reactivity series.Would it still have been such a useful metal ? Give reasons .
i need the symbols of atlaest 20 metals and 20 non metals
the main ones
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 lemon pickle is not stored in aluminium utensils
What are the physical and chemical properties of metals and non-metals?
curd cannot be stored in a aluminium utensil. why?
what is sonority? explain in detail
An oxide solution of which of the following elements will turn blue litmus red?
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?????
Which non metal is used in vulcanization of rubber and why??
what is meaning of lusture
why is gold preferred for making jewellery?
is asbestos a metal or non metal
and why it is bad conductor of
Why sodium does not react with kerosene?
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
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
why are metals used making machinery?
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.
The property by virtue of which metals can be drawn into thin wires is called _________.
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?
4Fe+3o2+xH2O becomes 2Fe2o3xH2o
I want to know how does the 'x' come in between ....
names of places in india where gold copper and iron mines are located
WHY IS SODIUM KEPT UNDER KEROSENE AND NOT UNDER WATER
show with the help of an experiment that copper is more reactive than silver.plz giv the ans soon
give me some poster ideas for the topic `say no to plastics`
an allotrope of carbon which is as tensile as steel.
Two difference between metal non metal ???
Three pins made of copper, aluminium and iron respectively are kept i moist air for several days.The pin that that will rust is
a)copper b)aluminium c)iron d)all
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